electromechanical cab signaling接触式: contact; contacting; contact ...机车: locomotive; engine; haulage ...信号: signal; semaphore; gun设备: equipment; device; facility; ...点式机车信号区域: intermittent cab signaling territory下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:接触式机车信号设备，即可在微信中查询翻译
