Preset fast dialing key 预置速拔键
You could say that I ordered takeout with such frequency that my dialing finger practically started to evolve into the shape of a phone key.
可以说，频繁按动叫外卖的电话号码，我的手指也快变成电话的按键了。
Key Pulsing is a method of signaling by depressing keys on a line otherwise arranged for rotary pulse dialing.
按键脉冲是通过在一条线上按键而不是旋转脉冲拨号的信令方法。
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