片语
Evacuation n route pressurized正压疏散路线
Evacuation n route protected防火疏散路线
Evacuation n route external室外疏散路线
pressurized E evacuation route正压疏散路线
Evacuation n route疏散路线
external evacuation route室外疏散路线
escape route evacuation route疏散路线
Evacuation route pressurized正压疏散路线