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4???????

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????,16??17?????,??????????????????????????????4~6?,??????8??????,2?16???????????????????8????17??????8????,???????????????????????????????????????5~6????????7~8????????;??????????????????????????????????7?????????????????8????2??????16???????6??????????????????

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2?????16????????????,?????????????1???????,?????????????????????????,??????200??????????????2?????16??????06??????????????

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2?16????8?17?8?????????,??????????????????????????????????????????????????????,????,??????????????????????????,??(5~9????)??????????????????,??,???????????????????????????????????????????????????????????4~6???????????????????????????????????????????5~7????

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2??17?8??18?????8??,????????????????????????????????????????????,???????,????,?(5~7?)????????????????????,?,?????????????????????????????????????4~5????;????????????????????????5~7????????????

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2?18??????????????8?19?????????8??????,????????????????????????????????????????????,??????????????,????????????????????????????????????????????????????????????,?????????,??????,????????(25~40????????????????)??????????4~5?????????????????;??????????????????5~7?????

???(2??????????????18??????8??????-19????8?) ? ??:???