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

2???????

3?????????

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

5?????????

??1??????????????20???????? (????????? ???????)??????????“?????????????????????????????”,???,???????????,???18.93??,??????

?????????????,???,????????????????????????,????,???

?:????? ????????????????????

???????????20???????????????,????????????????????,?????,????,???????????????????,??????????????126???????????????????????????????????,???

?????????,?????????????????,????????????????,???????22??,????5????????????,??132.64???????(??????????),????????????????????????7.59??????????????(???????2900???)?

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

??????????,?,???,??????????????????????????,?????????(?????)

??:???????????