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GB 51251-2017 第4.6.3条 Technical Standard for Smoke Control and Exhaust Systems in Buildings

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GB 51251-2017 第4.6.3条

| **** | In hotel buildings, the **smoke exhaust volume** for **corridors** shall be calculated at **60m³/(h·㎡)** and shall not be less than **15000m³/h**; when the corridor length is less than 40m, a value of **15000m³/h** may be used. |

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