?? ??????? ???4300??????????
????:1?????????:????????
2????????????
3?????????
4???????????
5??????
??????????????????????????? ??4300???????????????
????12????3????????????????????????????? (????)??(?????“????????????”)3?,??12?????2???????????,??,??????????4300??????4830???????????????,???????
???????????,???????,????60???????????160???????????8??????????????????86?????????????,???3560?;????4?????????????16?,????????10???,?????????740??????????????????
???,???????2??18??,???2000?2500?,???1060????????????“?+??”??,???????????15??,?31???????(???????????????)?????????????????????????19???,???3000?????
???,???????????????????,???????????30%???50%,???20%??????40%,????????????????,??(??????????) ???:?????