?λ?????????,?λ?????40?????????,?λ????κ??????
?λ?????????40????????????????
?λ??????????????????2??????
??????????磬??????????(??)?????????
?????????2600??С???????1700
?λ??????????????????2?????
?λ?????????????????淨(jìng)?????????????????40????????????
????????????????????Щ?????????????????55???????????????????????????????
??????????????????????????????????????????????????????
??????2??+???飬2000+?????3??+?????飬(????????????????????)