Secure tools that may fall if the power supply lines or hoses are pulled.

固定住拉扯电线或软管时可能会掉落的工具。

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Do not hang power supply lines or hoses over nails, bolts, or sharp edges.

不可将电线或软管悬挂在钉子、螺栓或尖锐边缘上。

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The application of reactive compensation device in power supply lines in the on-pole transformer is a new subject.

供电线路中的无功补偿装置，在杆上变压器上的应用是个新课题。

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The power and utility companies like to have control over the power supply and control over the transmission lines.

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The power lines will carry about 50% wind power and 50% from coal and gas to ensure security of supply.

BBC: Ranchers driving wind revolution