??11??????????22???? (????????????????? ????????)11???22????????????????,????,??,???????,???????

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

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

????????,????????????2.8?,??????????0.6?????????????,?????????????????????,??????????10926.4??,???3000????????,???1?????????????????,????????????50%???230??,???50%??????????70%,?700???????????,?????????,???2000???,????????????????????380????,???????????120??

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

?????????????????????,???????????,????,?,??,???????,????????????,????????????????(?????????????) ???:??????????????????????????? ??“?????????”????

?? ?????????“????”??????????

????: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??

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

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