????????????0.4*1*2??纣?????÷?????????????

????纣?????????????????

????????

   ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????г??????????????

?纣????????????????????????

6??1800??8000 80??
10??1800??8000 76??
8??1800??8000 90??
10??2000??8000 35??
12??2000??8000 42??
14??2000??8000 21??



????????????0.4*1*2??纣????????????????????????