????:1???????????:????

2?????wx

3???????

4????????

5??????????

?????(???????):????????????????,????????,???????????????,???????????????????,??????????????????

?????????????,????,???????60%??,????????????????????,??????????

??,????????1800??????????????????6????????6??????,??????6??????

??,??????????????,?,???????????800?????????????????

?????????,??????????????????????,???????,??????????????21??

6??15????????,??????,?????,????????????????????,???????????????,???????74??????????????????85%???

??(6??16??????????)?????????,??????????????417?????????????????,??????????13?????????????????,???,??????????? ??????????:??????????