??????????????????????
8??2000??8000 42??
8??2000??8000 21??
10??1800??8000 32??
10??1800??8000 80??
10??2000??8000 21??
10??2000??8000 52??
??????????????????????
????????HB??
??????????????3000kg?????????С?????????10mm??????????????????棬??????????????????????????????????????????????HB??????λ???????/mm2 (N/mm2)
???????????????????????
10?·????й?PMI????50.9??????3?????????????????ü????????????????????????????????????????????????г?????????????????????????????????????????????????????????????????????????????????????????????????????г???????δ?????????販??????????????????????????????????????????????????????????????????????л???????????????????
????14*1810*8000??16mnq????????????????г???????????
