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Combining with the project examples, talk about office of emergency lighting system design.
本文结合工程实例，谈谈办公楼应急照明系统的设计。
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Have the emergency power supply system and lighting facility;
有应急供电系统和应急照明设施；
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Have the emergency power supply system and lighting facility;
有应急供电系统和应急照明设施；
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