[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

管径越大排风阻力越小、噪音越低,但占用吊顶空间越多,会压低厨房净高;标准住宅厨房吊顶预留高度不足时优先选160mm圆管或扁管改造

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80%
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