??????????????????????
10??2000??8000 52??
10??2000??8000 42??
10??2000??8000 35??
12??1800??8000 42??
12??2000??8000 42??
????????
??????????????????????????????????????????Ч??????и?????????????????????????????????????壩???????????????????и???????????????????????????????????????????
??????????????????????
????????????????????????????????????????ú??????β????q????????
????????????????????????A3q??????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq????????????4.5~50?????
???????????????????????
????,??????????,??????,?????????????????????,????????????1482???;??????????,???????????????????,??????????,????????滯?????
?人?????????25*1800*C??16Mnq??????????????????????
