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

2???????

3????????

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

5??????

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

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

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

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

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

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

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