片语
means s of escape逃生设施
secondary means of escape辅助避难通道
main means of escape主逃生路线
means of escape detail逃生途径
primary means of escape主要避难通道
The Means of Escape逃之天天
means of vertical escape垂直脱险设备
primary y means of escape主要避难通道
ready means of escape方便的脱险通道