Interference from one telegraph circuit to another telegraph circuit or into telephone circuits.
一条电报线路或电话线路对另一条电报线路或电话线路的干扰。
On the technical side, telegraph lines are hard to maintain.
从技术角度来说电报线路难以维修。
among these were a relay booster for telegraph lines and a fire-safety curtain for theaters.
其中包括电报线路的继电调压器和剧院防火帘。
The railroad acted onCarnegie's suggestions and did build its own telegraph lines.
铁路局听从卡内基的建议，建起了自己的电报线路。
coil, loading, for insertion in telephone or telegraph line circuits
加感线圈,插入电话或电报外线电路的
A communications cable, as one used to transmit telephone or telegraph signals.
陆上线路通讯电缆，如用来传递电话或电报信号
CONNECT A JUMPER WIRE BETWEEN THE RED BRAKE WARNING LAMP CIRCUIT AND GROUN
在红色煞车警报灯电路与地之间连接跳线。
A Design of Prediction System of Data Collecting-Based on Telephone Wire;
基于电话线路的数据采集测报系统设计
radio typewriter
无线电电传打字电报机
wired telegraph-type fire alarm box
有线电报式火灾报警箱
set of voice-frequency multiplex telegraph circuits
音频复用电报电路群
long-range telephone and telegraph radio communications
远程无线电话电报通讯
syntonic wireless telegraphy
共振无线电报 (电讯)
A wire or system of wires connecting telephone or telegraph systems.
电话线连接电话或电报系统的电线或电线系统
n-Circuit tester
电路板线路自动测试机
overall line equivalent
整个线路的等效电路
polarized signal control line circuit
信号控制极化线路电路
