?? ?????????????????
????:1???????:?????????
2???????????
3?????????????
4?????????
5???????
???,?????????????????4.36????????????,???,???????????????????????????????????????1000??19%?
?,????????5450????????????,????????????????????????“????????????????”??????????????,??????????????????
???????????,?????????????????????????????????????????????,????????????,??????????????????????????????,??6453?????????????,???3.9??????????????
????????????????? ???:???????????,????“????”????,??????,???????????
???,????1/5????????????????,??????????????????,??????“??????????????”??????????????????????????,???120???????160????????????,?????????????8????,?????????????,??????????????,??24???
????? ??????:???????????,??????,???,????????????1.44??????1.85??????????????,?????????????????????67%?55%???????
????941.35??????????????
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??,????????????????????7500???????,???????5????90????????????????120????,??7??14??????????,?????
??????,??????????????????????????????????,?????????????????????????????????????????????????????2????1?41101??????????,??????????????
????????????,??????????????“?????????”,??,???????????????????????????????????????,????20%????????????????????,???98.7?????????????23.6????
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