????????????6.0*1000*4000??Q420q????????????????????
????????????????????????
?????????????飬??????????????????????????????????????????????????????????????????г????????????????????????????????????λ??????????г???????????????????????????????????????????????????????ó??????????????????????????????????????????????
???????????????????????
10??2000??8000 21??
10??2000??8000 52??
10??2000??8000 42??
10??2000??8000 35??
12??1800??8000 42??
12??2000??8000 42??
12??2000??8000 32??
14??2000??8000 65??
????????
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????????????6.0*1000*4000??Q420q?????????????????????????