| 21. | a telegraph messenger |
| 电报投递员
|
| 22. | a telegraph code |
| （电报）电码
|
| 23. | telegraph [telephone] cost |
| 电报[电话]费
|
| 24. | dislocate [disrupt] telephone and telegraph communication |
| 扰乱[中断]电话和电报通讯
|
| 25. | a communication by letter [ telegraph ] |
| 书信[电报]联系
|
| 26. | telegraph the date of departure |
| 电告启程日期
|
| 27. | the telephone and telegraph service |
| 电话电报业务[设施]
|
| 28. | telegraph system |
| 电报网
|
| 29. | a telegram by submarine telegraph |
| 海底电报
|
| 30. | extend telegraph all over the country |
| 把电报业务扩大到全国
|