GB 50243-2016 第7.2.11条
| | Installation of smoke exhaust fans (for hotel corridors and stairwells): vibration isolation devices shall be provided, and a fire damper (fusible at 280℃) shall be installed at the connection to the smoke exhaust duct. |
| | Installation of smoke exhaust fans (for hotel corridors and stairwells): vibration isolation devices shall be provided, and a fire damper (fusible at 280℃) shall be installed at the connection to the smoke exhaust duct. |
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