?????????????
10??2000??8000 76??
10??2000??8000 70??
4??1500??8000 21??
10??2000??8000 70??
4??1500??800035??
4??1500??8000 80??
8??1800??8000 70??
?????????????
?????
?????????????????????????????????????????????У????????????????????????????????????????????????????????????????????????????????????????????????????????????????????г????????У??????????????????????
??????????????
?и?Э?????????????10?????????????????????1378.8??????????????2.12??????????????θ???????????????????3?????????????λ1451.36???????????????????????棬??????????????????????????????????裬10?·???????????
????????34*1800*8m??q420qc???????????????
