??????????????????????
???????????????????????????壬????????????????????????????????????β????q????????????????????????????í??????????A3q?????????????????16q????????????????12Mnq??12MnVq??15MnVNq??16Mnq??????????????4.5~50?????
???????????????????????
????10??25??????????????????147.92???????????1.93??????????????????е???????????????????г????????????г?????????硣????????????????????????г???????????????????????
??????????????????????
22*2300*9000 70??
24*2000*8000 80??
30*2100*9000 59??
35*2100*8000 60??
50*2100*8000 30??
?????й???8*1.8*7??q370qc?????????????????????
