?? “????????”???!????85%,?????
????:1????????:??????
2?????????
3?????
4??????V
5?????????
??????????????????,???????????????,??????????,????????????
?? ?????????????:????,????????,???????,?????????,??????????????,?????????????,??????,????????,????,?????????????20%?
?? ???:7??5?????????????,????? ??(?)???????????4000?,??????????80%???,???3000???4000????
? ??:????????????,????????????????????,??????,???????5????180??,??????????????????????,?????,????????????,???????3??????5?????????
??????? ???:????????????200??,???(???????)??,??????,?????
???????,7????????????????,?????????????40% ????????????????,?????????????????90%;??????????85%???????,???????
??:????????????