(28.56701.236.7261.7296.7660)
电话机-电话通信中实现声能与电能相互转换的用户设备。由送话器、受话器和发送、接收信号的部件等组成。发话时，由送话器把话音转变成电信号，沿线路发送到对方；受话时，由受话器把接收的电信号还原成话音。电话机一般分为-dianhuaji</br> generated by yvsou girl
group status
👤 group joined: 0 ⏳ group pending: 0 🚫 group blocked: 0
ALL
> Institution and enterprise > company > Enterprise classification > > >
(28.56701.236.7261.7296.7660)
> Institution and enterprise > company > Enterprise classification > > >
(28.56701.236.7261.7296.7660)