emergency illumination造句

• They are widely used in meet emergency illumination identification marks , display and so on
  在应急照明、标识及显示等领域具有广阔的应用前景。
• An emergency exit sign box shall be installed in the exit door of the premises so as to provide emergency illumination in the event of a power failure
  劳工署在一般例行检查时，会要求商铺或厂房，安装符合规定的应急后备出口灯箱，以便在电力中断时，出口灯能有后备电力，指示出口位置。
• This article introduces the operation of the devices for emergency illumination adopted on the line 2 of guangzhou metro , and the running features of inverters as well as the maintenance of batteries
  摘要主要介绍广州地铁2号线事故照明装置的使用情况和逆变器设备的运行特点以及蓄电池的维护要点。