??????????????????
???????????????????????
????г?????λ???????????????????????????????λ???????????????????????????????????????????????????????????г??????????????????????????????????????????????????????????????
??????????????????????
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??
???????????36*1800*8m??????????????????λ????????
