短語(yǔ)詞組短語(yǔ)push button dial type 按鍵撥號(hào)式push button dial telephone 按鈕撥號(hào)電話push button dial switch 按鈕撥號(hào)開(kāi)關(guān)Push Button Dial -DTMF or DP 音頻 返回 push button dial