?纣?????????????????????????
???????????ú????????????????Ч?档????????????????????????????????????????????????????2000???7000?????????2012??74350??????????????????????????????34.46??????68.21????????????????????????ú???????????????????????????λ????????????г???????????????????????????????
?纣????????????????????????
4??1500??8000 90??
4??1800??8000 32??
5??1800??8000 21??
5??1800??8000 90??
6??1800??8000 35??
????????
??????????????????????????????????????????Ч??????и?????????????????????????????????????壩???????????????????и???????????????????????????????????????????
?????????10*1500*6000??纣???????????????????繫??
