?? ?????????????????????
????:1????????:????????????
2?????????
3????????????
4?????????
5??????????
?1???3??????????????????????? (????????? ?? ?????????)??3?????
????????????????????,??????????????????????????????????????????,??????????????????????????????????,???????“???”????“??????????????????”,?????????????????????????
??15????,??????????????????????????
?????10????,???????????10??????“???”?????????,???,???“?”???????
???,????????6.2??????,????,?????????????550????????????,??????????
????,????????,??????????????,???170??????????,???
????,??,???????????????????????????????????????????,????????????????????????????160?????,??????????????5????????????????,??6???,?????10????????,?????????20%?(???) ???:???????????????????