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11?13????,???????????????????,??????????????,??

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11?13??,????????????????????,????,?,???14??16??,?????????????????,??????????????

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9???????????????11?????????????20??12???????????20??????,?????????????????????????????????????????????????????,?????????????,?????????????????????(100~120??)?????????????????????????4~6?,????,?????6~7?????

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9??????12???????20?????????13??????20????????,??????????????????????,?,???????????????(50~90???)???4~7?????

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9????13?20?????????????????????????14?????20??,?????????????????????,??,?????(50~70??????)???????4~6????????????????

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