混凝土箱梁冬季施工及养护论文_文档下载_文档资源库 关键词: 关键词:客运专线 混凝土箱梁 热工计算 冬季施工 [gap=5740]Key words:passenger train route; concrete box beam; thermal calculation; construction in winter :
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The disposal operation delayed a passenger train en route from Ukraine to Azerbaijan by several hours.
拆除行动使得一趟从乌克兰开往阿塞拜疆的客运列车延误了数个小时。
Regular passenger service is to begin tuesday along a short mountainous route in what will be the first commercial service by a diesel-electric hybrid train.
定期客运服务是开始沿周二短山区航线,这将是首次商业服务,由柴油-电动混合列车。
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