????????7.0*1500*6000??q370qd?????????????????????????
?????????????????????????????????????????????????????壬????????????????????????????????????β????q????????<BR>????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50?????<br><br>???????????????????<br><br>??????????????????????10??2000??
??????????????????????
???????????????????????????????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?????????????????????????????
