High-voltage electrical power transmission line is the artery of electrical-net, and it undertakes the task to transmission electrical power from power station to the load center.
高压输电输电线路是电网的动脉，肩负着输送电力从发电站到负荷中心的任务。
Electrical power line and cable workers construct, maintain and repair overhead and underground electrical power transmission and distribution systems.
电源线和电缆工人建造，维护和修复架空线和地下电力传输和配电系统。
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