alternating current cab signal code机车: locomotive; engine; haulage ...信号: signal; semaphore; gun交流电: alternating current码: a sign or object indicating ...电码连续式机车信号: coded continuous cab signal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:机车信号交流电码，即可在微信中查询翻译
