1)fire-protection evacuation,避难通道2)alternative escape route,备用避难通道3)primary means of escape,主要避难通道4)secondary means of escape,辅助避难通道5)fire chute,避难滑道6)seismic road for evacuation,地震避难道路
用法例句
Based on the design idea of fire-protection evacuation of Code of Fire Protection of Civil Defense Works,fire-protection evacuation is brought forward in the supermarkets .
