短語詞組短語audible ringing tone [通信]可聞?wù)疋徱?回鈴音;可聞?wù)疋徛?/li>audible signal tone 信號(hào)音Audible busy tone 占線語音提示lowest audible tone 最低可聽音highest audible tone 最高可聽音tone audible 可聞純音 返回 audible tone