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出典:Wiktionary
出典:『Wiktionary』 (2009/04/24 16:22 UTC 版)
overhead lines
出典:Wikipedia
出典:『Wikipedia』 (2011/07/15 18:58 UTC 版)
Overhead lines or overhead wires are used to transmit electrical energy to trams, trolleybuses or trains at a distance from the energy supply point. These overhead lines are known variously as
Overhead lines