[KongchangAI]
Unverified80% confidenceFactTime unknown

换气扇的安装方式取决于开孔位置:顶装需吊顶且预留竖直排风管,风口向上;侧装适合靠外墙无吊顶场景,直接穿墙排风管路短、衰减小,但需外墙孔洞

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80%
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Long-term
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