????:1??????400?4?????:????????

2???????

3???????????

4????qm

5????????

??????????????????2?????????????5????????? ???5???????????,????????????????????(1???28?2?????????????????????4???????????)??????????,???140?,???90%?

1?????29????,?,??“?? ?????????”?“?????”??????????,9??????46????????????? ? ???????? ?

???????,?????????????????????????????,?????,???????????“???”?????????????“????????”,?????????????,???????????

??????,140???,??????120????????85%,???????15???????????????1??????????????????????30???,?19???

??,????????2200????????,????83%,?????7.9?,?7%?

??????,??????????????????????????360??????(??)

??????????:???