Overland Telegraph Line 大陆电报线
submarine telegraph line 海底电报线路
a telegraph line 电报线路
line telegraph unit 线路电报机
a tie-line telegraph 专线电报
A new telegraph line has been set up between the two cities.
那两个城市之间架设了一条新的电报线。
The Pony Express lasted only eighteen months. It was no longer needed after a telegraph line was completed to San Francisco.
快马邮递一直持续了18个月,当第一条电报线路铺到旧金山后,就不再需要快马邮递了。
In 1870 a man named Charles Todd built a repeater station here, to join two massive segments of Australia's first overland telegraph line.
1870年一个名叫Charles Todd的人在这里建立了一个加入澳大利亚的第一大段陆上的两条电报线的中继站。
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