基本解释：双架鎚
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After analyzing the characteristics and construction standards of high-speed overhead catenary,the paper holds the idea that stringing messenger wire and contact wire at the same time has no obvious advantage of improving construction efficiency,meanwhile,this stringing method will lead to hidden fault and unrecoverable drawbacks from the view of efficiency,quality and art of project.通过分析高速悬挂系统的特点和工艺标准,从施工效率、施工质量、施工工艺等方面对采用承导双架施工方法进行探讨,认为承导双架施工方法对施工效率的提高不明显、质量存在隐患且工艺上易产生不可克服的缺陷,建议在使用锡(镁)铜合金接触线或新线一次建设电气化工程中禁止采用承导双架施工方法。
