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钢筋混凝土电杆 相关科技名词
- 信号铃流发生器tone and ringing generator
- 告警信号电路alarm circuit
- 拨号盘dial
- 旋转式拨号盘rotary dial
- 按键式拨号盘key pad
- 信令电流signaling current
- 馈电电流feeding current
- 中央电池central battery
- 本地电池local battery
- 电话机telephone set
- 磁石电话机magneto telephone set
- 共电电话机common battery telephone set
- 自动电话机automatic telephone set
- 旋转号盘电话机rotary dial telephone set
- 按键电话机key pad telephone set
- 可视电话机videophone set
- 携带电话机portable telephone set
- 录音电话机recording phone set
- 扬声电话机loud speaking telephone set
- 头戴送受话器head set
- 插塞plug
- 插孔jack
- 插孔排jack strip
- 信号灯signal lamp
- 通话计数器message register
- 电话网telephone network
- 公用电话网public telephone network
- 专用电话网private telephone network
- 公用电话交换网public switched telephone network
- 电路circuit
- 租用电路leased circuit
- 专用电路private circuit
- [电话]用户[telephone] subscriber
- 主叫用户calling party
- 被叫用户called party
- 连接connection
- 挂断hanging up
- 摘机状态off-hook
- 挂机状态on-hook
- 拨号dialling
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