????:1?????????:??800??

2??????????

3???????

4??????????

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

????????????????1???????????3?? (????????? ?? ????????)???3????

?????????,?????????????????????????????????????,???????????????????????????????????????????????,??????“?????”?“??????????”,????????????????????????????

????15?,????????????????????

????10????,????10??“????”????,??????,???“???????”????

???,?????????6.2?????,????????????,?????????????550????????????????????,?????

??????????????????,??????,????????????????????????????????,??????170??,?????

????????????????????,??????????????,????????????????????????????????,??????????160???????????,????????????????5?????,???????????6??,??10???????,????????????20%?(??) ???:?????