?????????????
????????s/??b??
??????????????????????????????????????????????????????????????????????????0.6-0.65??????????0.65-0.75???????0.84-0.86??
????????
??????????????????????????????????????????????????????????????????????????????????????????????
?????????????
4??1500??8000 21??
10??2000??8000 70??
4??1500??800035??
4??1500??8000 80??
8??1800??8000 70??
6??1800??8000 80??
??12??23???????25*1.8*7??q620qe?????????????
