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emergency lighting
释义
emergency lighting
Encyclopedia
工学
公路隧道照明
释
emergency lighting
应急照明
当隧道内正常照明系统突然停止工作,为保障其内部交通运输和人员安全而设置的短时照明设施。
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domestic-oriented bilingual dictionary
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更新时间:2024/7/4 20:32:55