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?2????????????12?????????? ??,?????,????????,??;???????????,????????;??????

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2??????12?????08?13???????????????08????????,???????????????????????????????????????????????????????,?,?(10~12??????)?????????????,?,?(50~60???)??????????????4~5????;???????????????????????????????6~7??

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2????????????????????13?????????????08???????14????????????08????????????,???????????????????????????????????????????,?????,??????????(10~15????)????????????????????????????????????????????????????,?????,??????????????(25~35?)??????????????????????????4~6????;??????????????????????????6~7????

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