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随着城市建设的发展,地下空间日益被广泛利用,地下建筑的规模日益增大,层数也向“多层”发展,而且功能复杂,上下连通。工程内部装修标准越来越高,照明灯具、空调系统及电气设备也越来越复杂,存放、加工物品中的可燃物越来越多,这无疑也就增加了发生火灾的危险性。地下建筑一旦发生火灾,扑救往往比地
With the development of urban construction, the underground space is increasingly being used extensively. The scale of underground buildings is increasing day by day. The number of floors also develops to “multi-layer” with complicated functions and connectivity. Engineering interior decoration standards are getting higher and higher, lighting, air conditioning systems and electrical equipment is also more and more complex, storage, processing of materials in the more and more combustible material, which will undoubtedly increase the risk of fire. Underground construction in the event of a fire, fighting often than the ground