英语词汇“train line”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	train line
释义	train line noun 1. : a continuous electric control circuit used on electric trains of two or more motor-driven cars for controlling the motors on the rear cars from the master controller in the cab of the first car 2. or train pipe : brake pipe
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