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

2??????50???

3???????

4?????????

5?929598?????

???????,???????????????,?????????????,??

???????? ?:???,??????,?????????????,???,????????,?????????????????,???,????????????????????????,???????????????,????20%?

????? ??:7????????????5?????????,???? ???????????(???????)??4000?,??80%?????????????,?????????????3000?4000?????

?????????????????? ????????:?????????????,????????,???,???????5??????????180???,???????????????,????,???????,??????3??5???????????

??? ??????:????????????200???,??(?????????)???????,???,???????

?????????????,7??,????????????????40% ????,??????????????????90%;?????????85%??,????????????

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