??·????????????????????????
8??1800??8000 35??
8??1800??8000 80??
8??2000??8000 32??
8??2000??8000 42??
8??2000??8000 21??
10??1800??8000 32??
10??1800??8000 80??
??·????????????????????????
HRA???????60kg???????????????????????????????????????????????
HRB???????100kg???????1.58mm??????????????????????????????????????????????
HRC???????150kg????????????????????????????????????????????
????????
??????????????????????????????????????????????????????????????????????????飬????????????????????????紹???
????????q420qd??·?????????????????????????