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GB 51251-2017 第2.1.3条 Technical Standard for Smoke Control and Exhaust Systems in Buildings

Terminology消防工程

GB 51251-2017 第2.1.3条

| **** | **Natural smoke exhaust**: Uses the buoyancy of hot smoke generated by a fire or outdoor wind pressure to discharge smoke through openable exterior windows or smoke exhaust openings. May be used in hotel atriums and some corridors. |

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