机车信号测试区段的英文怎么说
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 机车信号测试区段的英文: n. 计程车,出租汽车,出租单马车;驾驶室 v. 乘出租马车 They cabbed to the theatre.  We cabbed to the opera.  Can you ring for a cab? n. 打信号,发信号 register signal A servo potentiometer that generates the signal for comparison with the input signal position command signal  | 








