???

??????????1.82??170???
:
????
1?????????20-30%???????????
2??????????X??????????????
??????????????
:
????????????3-6????????????
????????????????????????????????????
?:
1????????????????????????
2??????????X?????????()????????????????????????
3???????BCD?????????????????????? ? 62908322
????...

???4?10???????????????????????20?????????(2)??????????????d????????????????????X?
???????????

???
:
????
?????????20-30%???????????
??????????X??????????????
??????????????
?????

????????????????
?????????????????????
????1???4%??3%????14%???????????4~6??????????????????
?????????
?????????????????
??????????????????????A?B2?????????????????????
? http://ask.hengchu.cn/

?????? ????
???   2009-06-01 17:17 ?? ???? ?~~