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

2??????95?

3????????

4??????V

5???????????????

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

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

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

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

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

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

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