???????????????????????
????????HR??
??HB>450??????????С?????????ò????????????????????????????????????????120???????????????1.59??3.18mm?????????????????????????棬??????????????????????????????????????
???????????????????????
6??1800??8000 80??
10??1800??8000 76??
8??1800??8000 90??
10??2000??8000 35??
12??2000??8000 42??
14??2000??8000 21??
????????
??????????????????????????????????????????Ч??????и?????????????????????????????????????壩???????????????????и???????????????????????????????????????????
????????????????????????
????????????????????????????г??????????????????????????????11???????????????????11??????????????????????????????120????
???????4.0*1.5*6??16Mnq?????????????????????????
