通信线路

例句：

1. 1. The company has established a communication line with the government.
   该公司已经与政府建立了通信线路。
2. 2. The new communication line will connect two cities.
   新的通信线路将连接两个城市。
3. 3. The engineer used a communication line to transmit data.
   工程师使用通信线路传输数据。