• Electrical power line and cable workers construct, maintain and repair overhead and underground electrical power transmission and distribution systems.

    电源线电缆工人建造维护修复架空线地下电力传输配电系统

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  • The railway overhead line-pantograph system is one of the most important components of the electrical locomotive, which is the only way to provide power for the electrical locomotive effectively.

    系统电力机车重要组成部分之一,是给电力机车提供动力唯一有效途径

    youdao

  • The railway overhead line-pantograph system is one of the most important components of the electrical locomotive, which is the only way to provide power for the electrical locomotive effectively.

    系统电力机车重要组成部分之一,是给电力机车提供动力唯一有效途径

    youdao

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