?? ??????4000????????????
????:1?????300??????:????????
2???????
3??????????
4?????????
5???????100?????
????11?????????23?????????? ????«????»??22??????????????????????,?????????4000?????????????
??????????,???????????????????????????????4000????????????????????????????????????????????????,????????????????????????????,???????????(1????????????1.6??????????)??
????,??????????????????????????,???????????????????????????????“??”???
??4000?????????????????,?????????????????????,???????????????1000?????????,????
??????????????????????????????????????,??????????????????22?????,??????,?????????????(???) ???:??????????