This article introduces the traction power supply system in Wuhan, especially the electrical and mechanical indices of aluminum -composite conductor rail and its accessories.

本文介绍了武汉市轨道交通的牵引供电系统，重点介绍了钢铝复合接触轨及其附件的电气和机械性能指标。

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The role, working principle, structure and commonly used material of steel aluminum composite conductor rail in the three-rail system are introduced.

介绍钢铝复合导电轨在三轨系统中的作用、工作原理、结构和常用材料。

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It is introduced in this paper the composition and installation techniques of conductor rails in the urban rail transit power supply system.

简要介绍了城市轨道交通供电系统中接触轨的组成及安装工艺方法。

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