???????????(???????????)??,????????1??????????5????????????,??????17.3???????,???????20.2%,????????????????????

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??????????12306???????????????,????????????????,???????????,????1077.7????????????????????,???????79.3%,??10.7??????????????????,?????????

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?????????????12306???????????????????????????,???,??????,???????????

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2??????95?

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???????????(???????????)??,????????1??????????5????????????,??????17.3???????,???????20.2%,????????????????????

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??????????12306???????????????,????????????????,???????????,????1077.7????????????????????,???????79.3%,??10.7??????????????????,?????????

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?????????????12306???????????????????????????,???,??????,???????????

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