[KongchangAI]
Unverified78% confidenceCautionTime unknown

公共烟道内不建议将排烟管插入过深或封死整个烟道口,会阻碍其他住户排烟并造成整栋负压异常;正确做法是管口伸入烟道后配止逆阀,四周用防火密封

1
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78%
Confidence
Long-term
Relevance
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