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.
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。
Reacho brand emergency device for elevator has multiple functions; it can provide both illumination voltages for elevator and pronunciation indication for user.
多项选用功能，可向用户提供电梯照明电压、语音提示。
Reacho brand emergency device for elevator has multiple functions; it can provide both illumination voltages for elevator and pronunciation indication for user.
多项选用功能，可向用户提供电梯照明电压、语音提示。
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