line telegraph unit

Interference from one telegraph circuit to another telegraph circuit or into telephone circuits.

一條電報線路或電話線路對另一條電報線路或電話線路的干擾。

On the technical side, telegraph lines are hard to maintain.

從技術角度來說電報線路難以維修。

among these were a relay booster for telegraph lines and a fire-safety curtain for theaters.

其中包括電報線路的繼電調壓器和劇院防火簾。

The railroad acted onCarnegie's suggestions and did build its own telegraph lines.

鐵路局聽從卡內基的建議，建起了自己的電報線路。

coil, loading, for insertion in telephone or telegraph line circuits

加感線圈,插入電話或電報外線電路的

A communications cable, as one used to transmit telephone or telegraph signals.

陸上線路通訊電纜，如用來傳遞電話或電報信號

CONNECT A JUMPER WIRE BETWEEN THE RED BRAKE WARNING LAMP CIRCUIT AND GROUN

在紅色煞車警報燈電路與地之間連接跳線。

A Design of Prediction System of Data Collecting-Based on Telephone Wire;

基于電話線路的數據采集測報系統設計

radio typewriter

無線電電傳打字電報機

wired telegraph-type fire alarm box

有線電報式火災報警箱

set of voice-frequency multiplex telegraph circuits

音頻復用電報電路群

gentex exchange

公眾電報電路交換局

long-range telephone and telegraph radio communications

遠程無線電話電報通訊

syntonic wireless telegraphy

共振無線電報 (電訊)

A wire or system of wires connecting telephone or telegraph systems.

電話線連接電話或電報系統的電線或電線系統

n-Circuit tester

電路板線路自動測試機

overall line equivalent

整個線路的等效電路

polarized signal control line circuit

信號控制極化線路電路