在当今世界发生的各种自然及社会灾害中,火灾是发生频率较高的灾害。人类掌握了先进的科学技术,为自己创造了更加舒适方便的工作、娱乐和生活环境,但与此同时,其中也潜伏了越来越多的火灾隐患。我国每年平均发生数万起火灾,其中公众聚集场所火灾占有相当的比重,防止和 Among various natural and social disasters that have taken place in today’s world, fires are the more frequent ones. Human beings have mastered advanced science and technology, creating a more comfortable and convenient working, entertainment and living environment for themselves, but at the same time, more and more fire hazards are lurking there. On average, tens of thousands of fires occur each year in our country, of which fires in public gathering places occupy a considerable proportion and prevent