Telecommunication sector

• 通信业

Telecommunication sector的用法和样例：

例句

1. Postal and telecommunication services have made headway.
   邮电通信业突飞猛进。
2. Mobile communication services competition is regarded as cutthroat struggle in telecommunication field.
   移动通信业务的竞争，是通信业竞争最为激烈的领域。