?? ??4000? ????“?????”??????
????:1???????????:????????
2????????????
3?????????????
4?????QQ?
5?????????
???????,???????????4000????????????,??????????400???
???????????????,???????,?????,???????
???? ???????????:??????12???????????????????????????????2.5?????,??170?????,?????????????????“???????”,??????????????,???,??????????
?????????????? ????:???,?????????????,???????170?,???????????????????????,???????????,????????,????????600??????????,?????????????
??,??????????????????,???????????,?????(????????????)
??????:?????????????