???????????
??????????????
10?·????й?PMI????50.9??????3?????????????????ü????????????????????????????????????????????????г?????????????????????????????????????????????????????????????????????????????????????????????????????г???????δ?????????販??????????????????????????????????????????????????????????????????????л???????????????????
?????????????
8??1800??8000 90??
8??2000??8000 70??
8??2000??8000 32??
10??1800??8000 70??
10??2000??8000 90??
10??2000??8000 32??
12??2000??8000 56??
?????????????
????????HB??
??????????????3000kg?????????С?????????10mm??????????????????棬??????????????????????????????????????????????HB??????λ???????/mm2 (N/mm2)
???????18*1600*C??q500qe????????????????
