由应急照明的概念引出火灾应急照明概念的局限及使用范围,同时指出众多应急照明工程设计存在的理论偏差及应该注意的问题。 The concept of emergency lighting leads to the limitation of the concept of fire emergency lighting and the scope of its application. At the same time, it points out the theoretical deviations and problems that should be noticed in the design of many emergency lighting projects.