?????????????????

???????????????,????????4.36???????????????,???,???????????????????????????????????????1000??19%?

??????????????,????5450???????,??????????????“????”???,????????????

?????,??????????????????????????????????????????????????????????????????,?????????????????,?????????????????????????????????,??????????????6453?????????????,?????????????3.9???????????

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????????????? ???????:?????????,???,???????????,????????1.44???1.85???,??67%?55%??????????????

???????941.35???

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????,????????????????????7500?????????????????????,??5????????90???????????120?????????,???????7??14?,?????????????

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?????????????,????“??”,??,???????????????????,??????20%??????????????????,???????????98.7???????????????23.6????????

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