???????????
??????????????
?????и?Э??????й????????δ???????????,?????9??????????,?й?????Э????????????????????????,?????????????????δ??????????,???????????????????,?????????????????е???????
?????????????
14??2000??8000 35??
14??2000??8000 70??
8??2000??8000 21??
8??2000??8000 70??
8??2000??8000 32??
8??2000??8000 70??
10??2000??8000 21??
?????????????
??????????0.2??
?е????????????????????????????????????????????????????????????涨???????ò?????????ε???????????????????0.2???????????????????????????????????0.2 ??
??????????45*1800*C??q620qe????????????????