不朽情缘

??????????????????????

???????????????????????????????壬????????????????????????????????????β????q????????
????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50?????

???????????????????

??????????????????????

10??2000??8000 90??
10??2000??8000 32??
12??2000??8000 56??
12??2000??8000 70??
14??2000??8000 35??



????????7.0*1500*6000??q370qd?????????????????????????????