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?????????????????,???????????????14??20?,??????,???????????!?????

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?,????????????????????????????,?????????????????????10??????,??2??6~8?????????????????????;?????????????????0???,??10?????????????????????

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??,?????????15??16????????,?????,???????????????15~20????????????????????????????,???20??????????????15???9°C,16??????????17°C;???????????????????15??????11°C,16???????????????17°C?

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17??????,????,??“????”?

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