cab signal indication机车: locomotive; engine; haulage ...信号: signal; semaphore; gun显示: show; display; demonstrate; ...机车信号: cab signal; car signal机车信号机: engine mans indicator; engineers indicator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:机车信号显示，即可在微信中查询翻译
