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              1. 胶济高铁“四电”集成
                  时间:2014-09-01  点击量:   
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                集团独立承建的我国第一条沿海与内地联结的快速大通道,胶(青岛)济(南)铁路客运专线“四电”集成工程,全长384.2公里,设计时速250公里。

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