【简介】记者从昌九城际铁路股份有限公司了解到,近日,由中铁二十四局承建的昌九高铁2标无砟道床施工任务顺利完成,成为全线首个完成无砟道床施工的标段,为全线如期贯通按下“加速键”。
记者:樊曦
新华社国内部出品
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