[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

风量与噪音是排烟扇核心矛盾:小风扇静音但吸力弱,涡轮式风量大但噪音常达55~65dB。长时间佩戴耳机焊接的用户应优先选低噪音离心风机型而非高转速轴流风机

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80%
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Long-term
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