maneuver signalshunting signal调车: shunt; shunting信号: signal; semaphore; gun调车信号机: shunting signal调车信号音: shunting tone矮型调车信号: shunting dwarf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:调车信号，即可在微信中查询翻译
