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

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