横穿廊道上的各项装备未安装：未安装电话、通风设备及灭火器，未设置火灾中的疏散与逃生指示，未能提供与监控中心联系的途径。
The cross-galleries are not equipped at all : no telephone , no ventilation , no instruction on how to behave in case of fires , no communication means with the monitoring center , no extinguishers .
未安装设备