英语词汇“pole switching”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pole switching
释义	pole switching noun : switching by means of a pole extended from the side of a locomotive or a pole-car in front of a locomotive with the pole being used to push a car or cut of cars on a paralleling track to a designated classification track
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