????9??23??????????0.7*1.219*2??q370qc???????????
???????????????<br><br>??????????????????6??1800??8000 35??<BR>6??1800??8000 80??<BR>6??1800??8000 21??<BR>6??1800??8000 80??<BR>6??1800??8000 65??<BR>8??1800??8000 35??<br><br>?????????????????????????????????????????????壬????????????????????????????????????β????q????????<BR>????????????????????í??????????A3q???
???????????????
??????????????????
6??1800??8000 35??
6??1800??8000 80??
6??1800??8000 21??
6??1800??8000 80??
6??1800??8000 65??
8??1800??8000 35??
??????????????????
???????????????????????????壬????????????????????????????????????β????q????????
????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50?????
????9??23??????????0.7*1.219*2??q370qc???????????????