Unverified80% confidenceTradeoffTime unknown
铝箔软管走管越长、弯折越多阻力越大,抽油烟效果越差;软管虽施工方便但内壁凹凸增加阻力,追求排烟效率应尽量用短且直的硬管配少量软管衔接
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80%
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