短语词组短語voice response output unit [通信]聲音應答輸出裝置;語音應答輸出裝置英語;繙譯VRU Voice Response Unit 語音應答裝置;語音應答單元Interactive Voice Response Unit IVRU 交互式語音單元IVR Intelligent Voice Response unit 自動語音應答 返回 voice response unit