Unverified80% confidenceTradeoffTime unknown
风扇功率越大制冷/送风效果越好，但同时耗电越快、噪音越大，日常城市遛弯选择可调速的中功率风扇（配合可开合透气窗）比一味追求大风量更实用
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80%
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Long-term
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