文官屯大桥连续梁挂篮近距离跨越既有铁路接触网防电措施设计研究
문관둔대교련속량괘람근거리과월기유철로접촉망방전조시설계연구
Research on Antielectricity Measures of Traveling Carriages for Continuous Girder to Overpass the Existing Railway Catenary of Wenguantun Bridge in Short Range
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