????16Mnq???????????
16Mnq??????????????????
50*2200*8000+ 32??
60*2200*7000+ 75??
50*4030*555+ 98??
70*2200*9500+ 32??
80*2200*8000+ 56??
?????????????????????????
???????????????????????????壬????????????????????????????????????β????q????????????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50?????
???????? ???????лл ?? ????? ?????16Mnq???????????
??????????16Mnq????????????и?