??????????????????????
????????HB??
??????????????3000kg?????????С?????????10mm??????????????????棬??????????????????????????????????????????????HB??????λ???????/mm2 (N/mm2)
???????????????????
??????????????????????
16??2000??8000 32??
6??1500??8000 21??
6??1500??8000 42??
6??1500??8000 35??
6??1500??8000 21??
8??2000??8000 64??
8??2000??8000 35??
8??2000??8000 42??
????4??11???????40*1600*C??????????????????????????????