????:1????????:??300?????????

2????????

3??????

4??????

5???????

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

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

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

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

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

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

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