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

2?????

3??????????????

4???????????

5??????????

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

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

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

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

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

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

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