我回答美女問題，茶樹發芽時節很冷，為了防止霜凍，風扇把上麵的暖空氣吹到下麵，這樣就可以避免了。對嗎？我太有才了！

來源: wxc8585 於 2015-07-10 08:30:25 [舊帖] [給我悄悄話] 本文已被閱讀：次

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