| 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。 |
