[KongchangAI]
Unverified85% confidenceSolutionTime unknown

解决邻居返烟/串味问题的标准路径:先确认公共烟道口径→在墙面预留孔处加装双层翻板止逆阀→止逆阀与烟机排烟管之间用密封胶或铝箔胶带缠紧接口→检查翻板能被烟机顺畅推开且停机后能完全闭合

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