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本文通过对陇海线胀轨跑道事故原因剖析得出结论:在进行无缝线路维修和养护时的违章作业是造成这次事故的重要原因之一。
Through the analysis of the causes of the runway expansion in Longhai Line, this article concludes that the illegal operation during the maintenance and maintenance of CWR is one of the important causes of this accident.