existing electrified railway
...既有电气化铁路，电气化接触网支柱，防护棚，连续梁施工 Abstract: focuses on continuous beam [gap=480]Keywords: existing electrified railway；electrified catenary pillar； protective shed； continuous beam construction.
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existing electrified railway
现有电气化铁路
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The paper introduces the excavation of a tunnel which is adjacent to an existing electrified railway tunnel, the monitoring , protection and strengthening of the existing tunnel.
介绍一座与既有电气化隧道相邻隧道的开挖、既有隧道监测及其防护加固方法。
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