????3??31?????3.0*2*8??q690qe?????????????????????
??????????????
?и?Э?????????????10?????????????????????1378.8??????????????2.12??????????????θ???????????????????3?????????????λ1451.36???????????????????????棬??????????????????????????????????裬10?·???????????
?????????????
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??
????????
??????????????????50???????????????????г???????????????????????????????????????????????????????????????
????3??31?????3.0*2*8??q690qe?????????????????????