?????????285?????? ????????0.8  ?????????????40

????????????      ?????????12kg ????????????????????

??????????????? ??? ?????? ???

?????????????????

?????á???????

????頓??????????????????????????

??????

???(???﹥?????)

????????????楨???????(????????????????)

??????У?

???????У?????+???+????+????

PK???У???????+?????+???+????

???????

??????20+(???????????????????????????)

??????25+(???????﹥????)

??????20+(???????????????)

????15+(??????????????μ?????λ????????????e?)

?????????

?????25+(??????????????????????????????????????????????)

?????????????40407??????????