?? ?????????“????”??????????
????:1??????????:100??2??
2??????95??98
3?????
4???????
5?????????????
??11??????????22???? (????????????????? ????????)11???22????????????????,????,??,???????,???????
???????????????????,???????????????????????“??????”?,??,??????????????????????,????????,???,???
?,???????(????)???????????????,????????,???????????????????????,?,????????????????
????????,????????????2.8?,??????????0.6?????????????,?????????????????????,??????????10926.4??,???3000????????,???1?????????????????,????????????50%???230??,???50%??????????70%,?700???????????,?????????,???2000???,????????????????????380????,???????????120??
????????????,???,??????,?????????????????,????????????????????????????????????“??????????”?????????
?????????????????????,???????????,????,?,??,???????,????????????,????????????????(?????????????) ???:???????????????????????????