{"id":5767,"date":"2025-12-24T05:27:13","date_gmt":"2025-12-24T05:27:13","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5767"},"modified":"2025-12-24T05:27:13","modified_gmt":"2025-12-24T05:27:13","slug":"gb-t-3-1997-metric-thread-ends-and-chamfers-standard","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/zh\/blog\/gb-t-3-1997-metric-thread-ends-and-chamfers-standard\/","title":{"rendered":"GB\/T 3-1997 \u516c\u5236\u87ba\u7eb9\u7aef\u90e8\u548c\u5012\u89d2\u6807\u51c6"},"content":{"rendered":"<h2 style=\"font-size: 24px; margin-top: 40px;\">\u6807\u51c6\u7b80\u4ecb<\/h2>\n<p style=\"margin-bottom: 20px;\">GB\/T 3-1997 \u89c4\u5b9a\u4e86\u901a\u7528\u516c\u5236\u87ba\u7eb9\u7684\u87ba\u7eb9\u51f8\u7f18\u3001\u5012\u89d2\u3001\u80a9\u90e8\u548c\u89d2\u90e8\u7684\u5c3a\u5bf8\uff0c\u4ee5\u786e\u4fdd\u53ef\u9760\u7684\u7d27\u56fa\u8fde\u63a5\u3002\u5b83\u9002\u7528\u4e8e\u87ba\u8ddd\u4e3a 0.2 mm \u81f3 6 mm \u7684\u87ba\u7eb9\uff0c\u6709\u52a9\u4e8e\u63d0\u9ad8\u673a\u68b0\u884c\u4e1a\u5236\u9020\u548c\u88c5\u914d\u7684\u4e00\u81f4\u6027\u3002<\/p>\n<p style=\"margin-bottom: 20px;\">\u672c\u6807\u51c6\u4e0e ISO 3508:1976 \u548c ISO 4755:1983 \u7b49\u6548\uff0c\u4e3a\u5185\u5916\u87ba\u7eb9\u63d0\u4f9b\u4e86\u6307\u5bfc\u539f\u5219\uff0c\u6709\u52a9\u4e8e\u5b9e\u73b0\u4e92\u6362\u6027\u5e76\u51cf\u5c11\u88c5\u914d\u95ee\u9898\u3002\u5bf9\u4e8e\u7cbe\u5bc6\u5de5\u7a0b\u800c\u8a00\uff0c\u672c\u6807\u51c6\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u87ba\u7eb9\u7aef\u9762\u4f1a\u5f71\u54cd\u5f3a\u5ea6\u548c\u914d\u5408\u3002<\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 30px;\">\n<li>\u8303\u56f4\uff1a\u6db5\u76d6\u7528\u4e8e\u4e00\u822c\u7d27\u56fa\u7684\u6807\u51c6\u516c\u5236\u87ba\u7eb9\u3002<\/li>\n<li>\u91cd\u8981\u6027\uff1a\u9632\u6b62\u538b\u529b\u96c6\u4e2d\uff0c\u786e\u4fdd\u6b63\u5e38\u4ea4\u914d\u3002<\/li>\n<li>\u9002\u7528\u8303\u56f4\uff1a\u53ef\u6269\u5c55\u81f3\u7c7b\u4f3c\u87ba\u7eb9\u7c7b\u578b\uff0c\u5982\u8fc7\u6e21\u914d\u5408\u3002<\/li>\n<\/ul>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u5916\u87ba\u7eb9\u7aef\u548c\u80a9\u90e8<\/h2>\n<p style=\"margin-bottom: 20px;\">\u5916\u87ba\u7eb9\u672b\u7aef (x) \u548c\u80a9\u90e8 (a) \u7684\u8bbe\u8ba1\u65e8\u5728\u907f\u514d\u4ea7\u751f\u5c16\u9510\u8fb9\u7f18\uff0c\u786e\u4fdd\u88c5\u914d\u987a\u7545\u3002\u5c3a\u5bf8\u968f\u87ba\u8ddd\u800c\u53d8\u5316\uff0c\u5e76\u63d0\u4f9b\u5e38\u89c4\u3001\u77ed\u6b3e\u548c\u957f\u6b3e\u4e09\u79cd\u89c4\u683c\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u7ed3\u6784\u9700\u6c42\u3002\u672b\u7aef\u7684\u5e95\u90e8\u534a\u5f84\u4e0d\u5f97\u5c0f\u4e8e\u5168\u87ba\u7eb9\u7684\u6700\u5c0f\u5706\u89d2\u534a\u5f84\u3002<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" rowspan=\"2\">\u87ba\u8ddd P\uff08\u6beb\u7c73\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" colspan=\"2\">\u8dd1\u51fa x\uff08\u6700\u5927\u503c\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" colspan=\"3\">\u80a9\u90e8 a\uff08\u6700\u5927\u503c\uff09<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u4e00\u822c\u7684<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u77ed\u7684<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u4e00\u822c\u7684<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u957f\u7684<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u77ed\u7684<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.05<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.7<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">13.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">16.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">11<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u53c2\u8003<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u22482.5 P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u22481.25 P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u22483 P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">=4 P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">=2 P<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin-bottom: 20px;\">\u5907\u6ce8\uff1a\u5efa\u8bae\u4f7f\u7528\u901a\u7528\u957f\u5ea6\uff1b\u7ed3\u6784\u53d7\u9650\u65f6\u4f7f\u7528\u77ed\u6b3e\uff0cB\u7ea7\u6216C\u7ea7\u4ea7\u54c1\u4f7f\u7528\u957f\u6b3e\u3002\u5c3a\u5bf8\u5355\u4f4d\u4e3a\u6beb\u7c73\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u5916\u87ba\u7eb9\u5012\u89d2<\/h2>\n<p style=\"margin-bottom: 20px;\">\u5012\u89d2\uff08g1\u3001g2\uff09\u7528\u4e8e\u6d88\u9664\u87ba\u7eb9\u672b\u7aef\u7684\u5e94\u529b\uff0c\u5176\u76f4\u5f84\uff08dg\uff09\u548c\u534a\u5f84\uff08r\uff09\u5df2\u6307\u5b9a\u3002\u8fc7\u6e21\u89d2\u03b1\u81f3\u5c11\u4e3a30\u00b0\uff0c\u4ee5\u907f\u514d\u51fa\u73b0\u5c16\u89d2\u3002<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" rowspan=\"2\">\u87ba\u8ddd P\uff08\u6beb\u7c73\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">g2\uff08\u6700\u5927\u503c\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">g1\uff08\u5206\u949f\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">dg<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">r \u2248<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.12<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.16<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.05<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.16<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 1.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 1.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 2.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 2.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 3.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 4.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 5.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">13.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 6.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">17.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 7.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d \u2013 8.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u53c2\u8003<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u22483 P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin-bottom: 20px;\">\u6ce8\uff1ad \u4e3a\u6807\u79f0\u76f4\u5f84\uff1bdg \u516c\u5dee\u4e3a h13 (&gt;3 mm) \u6216 h12 (\u22643 mm)\u3002\u7528\u4e8e\u9ad8\u8d1f\u8f7d\u5e94\u7528\u4e2d\u7684\u5e94\u529b\u6d88\u9664\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u5916\u87ba\u7eb9\u5012\u89d2<\/h2>\n<p style=\"margin-bottom: 20px;\">\u87ba\u7eb9\u8d77\u59cb\u5904\u7684\u5012\u89d2\u901a\u5e38\u4e3a 45\u00b0\uff0c\u4f46\u4e5f\u5141\u8bb8\u4e3a 60\u00b0 \u6216 30\u00b0\uff1b\u5012\u89d2\u6df1\u5ea6 \u2265 \u87ba\u7eb9\u9ad8\u5ea6\u3002\u5bf9\u4e8e\u6eda\u538b\u87ba\u7eb9\uff0c\u4e3a\u4fdd\u6301\u87ba\u7eb9\u5b8c\u6574\u6027\uff0c\u4e0d\u5b8c\u6574\u957f\u5ea6 \u2264 2P\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u5185\u87ba\u7eb9\u7aef\u5934\u548c\u80a9\u90e8<\/h2>\n<p style=\"margin-bottom: 20px;\">\u5185\u90e8\u51f8\u53f0 (X) \u548c\u80a9\u90e8 (A) \u7528\u4e8e\u914d\u5408\u87ba\u7eb9\uff0c\u6709\u5e38\u89c4\u548c\u77ed\u4e24\u79cd\u89c4\u683c\u3002\u5efa\u8bae\u4f7f\u7528\u5e38\u89c4\u89c4\u683c\uff1b\u957f\u89c4\u683c\u7528\u4e8e\u6392\u5c51\uff0c\u77ed\u89c4\u683c\u7528\u4e8e\u9650\u5236\u5c3a\u5bf8\u3002<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" rowspan=\"3\">\u87ba\u8ddd P\uff08\u6beb\u7c73\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" colspan=\"2\">\u8dd1\u51fa X\uff08\u6700\u5927\u503c\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" colspan=\"2\">\u80a9\u90e8 A<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" colspan=\"2\">–<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" rowspan=\"2\">\u4e00\u822c\u7684<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" rowspan=\"2\">\u957f\u7684<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u4e00\u822c\u7684<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u77ed\u7684<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">14<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">16<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">18<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">22<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">24<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">26<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">29<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">23<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">32<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">35<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">28<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">38<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u53c2\u8003<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">=4P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">=2P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u22486~5P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u22488~6.5P<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin-bottom: 20px;\">\u6ce8\uff1a\u672a\u6307\u5b9a\u77ed\u80a9\uff1b\u5c3a\u5bf8\u4ee5\u6beb\u7c73\u4e3a\u5355\u4f4d\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u5207\u5c51\u53bb\u9664\u6548\u679c\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u5185\u87ba\u7eb9\u5012\u89d2<\/h2>\n<p style=\"margin-bottom: 20px;\">\u5185\u90e8\u5012\u89d2\uff08G1\uff09\u63d0\u4f9b\u51cf\u538b\uff0c\u5177\u6709\u76f4\u5f84\uff08Dg\uff09\u548c\u534a\u5f84\uff08R\uff09\u3002\u77ed\u5012\u89d2\u9002\u7528\u4e8e\u7a7a\u95f4\u6709\u9650\u7684\u60c5\u51b5\uff1bDg \u516c\u5dee\u4e3a H13\u3002<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" rowspan=\"2\">\u87ba\u8ddd P\uff08\u6beb\u7c73\uff09<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" colspan=\"2\">G1<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" rowspan=\"2\">\u5fb7\u52a0<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\" rowspan=\"2\">R \u2248<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u4e00\u822c\u7684<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u77ed\u7684<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.3<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">D + 0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u53c2\u8003<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">=4P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">=2P<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u22480.5 P<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin-bottom: 20px;\">\u5907\u6ce8\uff1a\u77ed\u5012\u89d2\u9002\u7528\u4e8e\u7a7a\u95f4\u6709\u9650\u7684\u60c5\u51b5\uff1bD \u6807\u79f0\u76f4\u5f84\uff0cDg \u516c\u5dee H13\uff1b\u5c3a\u5bf8\u5355\u4f4d\u4e3a\u6beb\u7c73\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u5185\u87ba\u7eb9\u5012\u89d2<\/h2>\n<p style=\"margin-bottom: 20px;\">\u5165\u53e3\u5012\u89d2\u901a\u5e38\u4e3a 120\u00b0 \u6216 90\u00b0\uff1b\u76f4\u5f84 (1.05~1)D\uff0c\u4ee5\u4fbf\u4e8e\u87ba\u7eb9\u556e\u5408\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u7533\u8bf7\u6307\u5357\u548c\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p style=\"margin-bottom: 20px;\">\u6839\u636e\u87ba\u8ddd\u548c\u5e94\u7528\u9009\u62e9\u5c3a\u5bf8\uff1b\u6807\u51c6\u7528\u9014\u4f18\u9009\u901a\u7528\u5c3a\u5bf8\uff0c\u7a7a\u95f4\u53d7\u9650\u65f6\u4f18\u9009\u77ed\u5c3a\u5bf8\uff0cB\/C\u7ea7\u87ba\u7eb9\u9700\u957f\u5c3a\u5bf8\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u786e\u4fdd\u5012\u89d2\u53ef\u9632\u6b62\u6bdb\u523a\uff0c\u5e95\u5207\u53ef\u51cf\u5c11\u5e94\u529b\u96c6\u4e2d\u3002<\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 30px;\">\n<li>\u9002\u7528\u4e8e\u673a\u68b0\u548c\u7d27\u56fa\u4ef6\u4e2d\u7684\u516c\u5236\u87ba\u7eb9\u3002<\/li>\n<li>\u6838\u5bf9ISO\u7b49\u6548\u6807\u51c6\u662f\u5426\u7b26\u5408\u56fd\u9645\u6807\u51c6\u3002<\/li>\n<li>\u907f\u514d\u5267\u70c8\u8fd0\u52a8\uff0c\u4ee5\u51cf\u5c11\u75b2\u52b3\u3002<\/li>\n<li>\u9002\u7528\u4e8e\u957f\u5ea6\u63a7\u5236\u4e0d\u5b8c\u5168\u7684\u5377\u7ed5\u7ebf\u3002<\/li>\n<li>\u96c6\u6210\u5230CAD\u4e2d\uff0c\u5b9e\u73b0\u7cbe\u786e\u5efa\u6a21\u3002<\/li>\n<\/ul>\n<p style=\"margin-bottom: 20px;\">\u8fd9\u4e9b\u505a\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u87ba\u7eb9\u7684\u8010\u4e45\u6027\u548c\u88c5\u914d\u6548\u7387\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u5e38\u89c1\u95ee\u9898\u89e3\u7b54 (FAQ)<\/h2>\n<div class=\"faq\" style=\"margin-top: 20px;\">\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">\u7ebf\u7a0b\u7ec8\u6b62\u7684\u76ee\u7684\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">\u87ba\u7eb9\u672b\u7aef\u5e73\u6ed1\u5730\u7ec8\u6b62\u87ba\u7eb9\uff0c\u51cf\u5c11\u5e94\u529b\u96c6\u4e2d\uff0c\u4fbf\u4e8e\u88c5\u914d\uff0c\u800c\u4e0d\u4f1a\u635f\u574f\u914d\u5408\u96f6\u4ef6\u3002<\/p>\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">\u4f55\u65f6\u4f7f\u7528\u77ed\u5e95\u5207\u53d1\u578b\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">\u77ed\u5e95\u5207\u9002\u7528\u4e8e\u7a7a\u95f4\u6709\u9650\u7684\u7ed3\u6784\u7ea6\u675f\u5e94\u7528\uff0c\u4f46\u8981\u786e\u4fdd\u6ee1\u8db3\u8f7d\u8377\u8981\u6c42\u3002<\/p>\n<h3 style=\"font-size: 20px;\">\u6295\u63b7\u59ff\u52bf\u5982\u4f55\u5f71\u54cd\u80a9\u90e8\u5c3a\u5bf8\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">\u8f83\u5927\u7684\u5761\u5ea6\u9700\u8981\u76f8\u5e94\u8f83\u5927\u7684\u80a9\u90e8\uff08\u4f8b\u5982\uff0c3P \u4e00\u822c\uff09\u4ee5\u63d0\u4f9b\u8db3\u591f\u7684\u627f\u8f7d\u9762\u548c\u5f3a\u5ea6\u3002<\/p>\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">\u5efa\u8bae\u7684\u5012\u89d2\u89d2\u5ea6\u662f\u591a\u5c11\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">\u5916\u90e8\u542f\u52a8\u89d2\u5ea6\u4e3a 45\u00b0\uff0c\u5185\u90e8\u542f\u52a8\u89d2\u5ea6\u4e3a 120\u00b0\uff1b\u6839\u636e\u5236\u9020\u4fbf\u5229\u6027\uff0c\u4e5f\u53ef\u91c7\u7528 60\u00b0 \u6216 90\u00b0 \u7b49\u66ff\u4ee3\u65b9\u6848\u3002<\/p>\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">\u8be5\u6807\u51c6\u4e0eISO\u6807\u51c6\u517c\u5bb9\u5417\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">\u662f\u7684\uff0c\u76f8\u5f53\u4e8e ISO 3508 \u548c 4755\uff0c\u786e\u4fdd\u87ba\u7eb9\u8bbe\u8ba1\u7684\u5168\u7403\u4e92\u64cd\u4f5c\u6027\u3002<\/p>\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">dg \u7684\u5bb9\u5dee\u8303\u56f4\u662f\u591a\u5c11\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">h13 \u7528\u4e8e d &gt; 3 mm\uff0ch12 \u7528\u4e8e d \u2264 3 mm\uff0c\u4fdd\u6301\u5e95\u5207\u76f4\u5f84\u7684\u7cbe\u5ea6\u3002<\/p>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to the Standard GB\/T 3-1997 specifies dimensions for run-outs, undercuts, shoulders, and chamfers of general-purpose metric screw threads, ensuring reliable fastening connections. It applies to threads with pitches from 0.2 mm to 6 mm, promoting consistency in manufacturing and assembly across mechanical industries. Equivalent to ISO 3508:1976 and ISO 4755:1983, this standard provides guidelines [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5767","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5767","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/comments?post=5767"}],"version-history":[{"count":1,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5767\/revisions"}],"predecessor-version":[{"id":5768,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5767\/revisions\/5768"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/media?parent=5767"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/categories?post=5767"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/tags?post=5767"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}