devices for emergency illumination
devices for emergency illumination
应急照明装置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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