GB 50242-2002 第10.2.14条
- Hotel buildings are typically high-rise or super high-rise, so **** (firestop collar installation) and **10.2.9** (vent pipe height) are key inspection items.
- Hotel buildings are typically high-rise or super high-rise, so **** (firestop collar installation) and **10.2.9** (vent pipe height) are key inspection items.
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