... 紧急照明：emergency lighting 紧急修葺通知：urgent repair order 紧急维修小组：emergency repair team ...
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In natural gas pipeline network construction, in order to prevent accident and reduce loss, urgent repair centers shall be built in large-size gas pipelines and pipeline network concentration areas.
随着天然气输气管网建设工程的增多，为预防事故和减少损失，大型输气管线和管网密集地区需要建设管道抢险维修中心。
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