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21???,?????????????????????????,?????,?,???????????21??????????????

9?24????????????????28????????,?21??????????????????????,??,?????15????,???????????????

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??????????8??????????????,?2441.3????,??21.8%,????52.6%,?????????

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????????,????,?????,?????????????2100???,????????????????????9??,????????????????????,?????3.1??????????????,??6500???,??????????????,?????????????2??

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