?????????55*1800*C??q420q????????г????????????
??????????????????г?????λ???????????????????????????????λ???????????????????????????????????????????????????????????г??????????????????????????????????????????????????????????????<br><br>?????????????8??1800??8000 90??<BR>8??2000??8000 70??<BR>8??2000??8000 32??<BR>10??1800??8000 70??<BR>10??2000??8000 90???
??????????????
????г?????λ???????????????????????????????λ???????????????????????????????????????????????????????????г??????????????????????????????????????????????????????????????
?????????????
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??
????????
?????????и??????????б???????????????μ????????????????簲?????????????????????????????????????????????????????????????????????????Ч??????и?????????????????????????????????????壩???????????????????и???????????????????????????????????????????
?????????55*1800*C??q420q????????г????????????