Q345qD??????????????????
???????????????????????????????壬????????????????????????????????????β????q????????????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50?????????????í???????????·?????·?????????纣??????
????????
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???????????и?????????????????????????????塢?????塢?????????????????????糧?????????????????????е??????????????????????????????????????????????????????????????????????????????г???????????????????硣
??????????????????????????????????????????????????????????????????????????????飬????????????????????????紹???
Q345qD??????????????????
5??1800??8000+ 32??
5??1800??8000+ 32??
8??1800??8000+ 90??
8??2000??8000+ 70??
10??1800??8000+ 70??
10??2000??8000+ 90??
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?????????16?????Q345qD?????????????????????=====