catenary 名词
- catenary bahn
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- catenary bahn
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单语范例（未经PONS编辑处理）
One circuit is mounted at the top of the catenary poles on one side of the track; the second circuit runs along the other side.
en.wikipedia.org The cars are powered by an electric motor which gets its electricity from a catenary wire with a 750 volt supply.
en.wikipedia.org Metro's heavy rail lines are powered by third rail, whereas its light rail lines are powered by overhead catenary lines.
en.wikipedia.org The original plan was for a one-track diesel connection, but this grew into a two-track electric connection with extension of catenary wires.
en.wikipedia.org Countering the cost advantages of electric traction are the cost disadvantages of electrification: primarily the costs of the catenary and substations (including maintenance costs).
en.wikipedia.org