??:???????????????????Щ????? ??:?????????????п?????????н?????????? ????????? 1?????????????????GB/T8163-2008??????????????????????????????????? 2???????????GB/T8162-2008???????????????е????????? 3???????ˉ???????GB5310-2008???????????????????????????????ˉ???????????????????????????????????? 4?????????ˉ???????GB3087-2008???????????????????????ˉ???????????????????????ˉ?ù???????????????
??????????????????????? ??1?????????????? ???????????顪????????????顪??????????????????????????????????ɡ?????????????-????????????????????????????????顪?????????????????????????ɡ????????????????????顪????????????????? ??????????ù??????Щ?? ?????Щ???????￡?????????У?32??38??42??45??50??54??57??60??63.5??68??70??73??76??89??108??133??159??219??273??325??355??377??426??450??480??530??630?????????У?3??3.5??4??4.5??5??5.5??6??6.5??7??8??8.5??9??10??12?? ????????????GB/T8162-87?漲 ???????????32??630mm?????2.5??75mm??????(???)????5??200mm?????2.5??12mm?? ???????????????????治????????????????????????????????????Щ??????????????????????????????????? ??????????г????????????????????20mm?????????????????и??????????Э??????????? ??λ?????????????????????????????GB3639-83?? ???????????????????????????? ??????????????????????????*???*0.02466*????*????/KG??=???????
