[KongchangAI]
Unverified82% confidenceSolutionTime unknown

选购油烟机应作为整个厨房排烟系统的一环统筹:核对公共烟道止逆阀是否有效、烟管长度尽量≤2米且弯头≤2个、选用与机型口径匹配的止回阀,否则再大风量也会排烟不畅

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