telegraph line 是什么意思

the wire that carries telegraph and telephone signals
同义词：telephone wire, telephone line, telegraph wire,

	1.	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。
	2.	Pin - type insulators of ceramic material for overhead telegraph lines 架空通信线路针式瓷绝缘子
	3.	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。
	4.	A new telegraph line has been set up between the two cities 在那两个城市之间架设了一条新的电报线路。
	5.	Steel pins for pin insulators used on overhead power and telegraph lines 电力和通信线路针式绝缘子钢脚
	6.	Standard specification for zinc - coated galvanized " iron " telephone and telegraph line wire 电话和电报线路用镀锌"铁"丝的标准规范
	7.	First telegraph company offices opens . boston and new york first joined by a telegraph line 第一家电报局成立。波士顿和纽约第一次通过一根电报线联系起来。
	8.	By 1865 siemens had opened up shop in britain and was building telegraph lines all over russia 1865年，西门子进入英国市场，同年获得俄国业务代理权，在其境内敷设电报线路。
	9.	First commercial test of morse ' s telegraph . the us government paid for a telegraph line between baltimore and washington , d . c . it worked 摩尔斯电报的第一次商业测试。美国政府买下巴尔的摩和华盛顿特区之间的电报线路。

telegraph line是什么意思