??????????????????
8??2000??8000 42??
8??2000??8000 21??
10??1800??8000 32??
10??1800??8000 80??
10??2000??8000 21??
10??2000??8000 52??
??????????????????
????????HR??
??HB>450??????????С?????????ò????????????????????????????????????????120???????????????1.59??3.18mm?????????????????????????棬??????????????????????????????????????
???????????????????
?????????????????????????????????????????????????????????????????10??25?????????????????????????7611????????????????????????????????????????????????16.2?????????11?·???????п????????????????????飬??????????????????????????????????????????????????????????????????????????
????????????10*1600*C??q345qc????????????г?????
