架空输电线路工程利用本塔加设辅助横担封网跨越高铁施工方法实践
가공수전선로공정이용본탑가설보조횡담봉망과월고철시공방법실천
Construction Method of Applying Auxiliary Crossarm and Insulation Protection Net to Cross High-speed Railway in Overhead Transmission Line Project
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