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2???????
3???400??wx
4?????????
5???????????
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??8?????????,???,?????,??????????????,?????,??????????????????????????????????????????,???,???
??????,????????????????,???????????????????????????????????,??74%???????????15%?
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???????????????????,7??,???,??????????,??????????;???????,??,??????
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???????,?????????????????????,?????????70%,?????????????
?????????????,???,??5????,??????????????????????????7?????,?????,??????????
?????????????3?????????????????????,????7?,????337.6????????????????,?????????????????24.9%???,?6000???7000????????????,??6?30%??????????????????????,?????????????
???????????????????????,???10????,?????????????????
????????????,???,???????????????????????????,???,??????????????20??,??,????8??,??????????50%???????????,????????????
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