shunting calling tone调车: shunt; shunting呼叫信号: calling code; call sign; rin ...音: sound调车信号音: shunting tone呼叫信号: call signal; call up signal; calling information; calling signal; distress call; ringing 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:调车呼叫信号音，即可在微信中查询翻译
