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GB 51251-2017 第5.1.3条 Technical Standard for Smoke Control and Exhaust Systems in Buildings

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GB 51251-2017 第5.1.3条

| **** | **Smoke exhaust system activation**: After a fire is confirmed, the smoke exhaust system should, via the fire linkage controller, open the smoke exhaust outlets (or smoke exhaust valves) and smoke exhaust fans serving the fire floor's smoke control zone, and shut down the air-conditioning system within that smoke control zone. |

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