人类文明的进步和经济的快速发展,各地高楼大厦如雨后春笋拔地而起,公共场所,特别是娱乐场所、地下商场、商务写字楼、宾馆酒店、大型超市等,这些地方往往存在一些安全隐患:火灾事故频频发生,给国家和人 The progress of human civilization and rapid economic development, all over the skyscrapers are springing up, public places, especially entertainment, underground shopping malls, office buildings, hotels, supermarkets, etc., where there are often some security risks: fire Accidents occur frequently, to the country and people