air spaced cable

例句：

1. 1. The new air-spaced cable is designed to improve the efficiency of communication systems.
   新的空气间隔电缆设计用来提高通信系统的效率。
2. 2. The engineer used a spaced cable to connect the two pieces of equipment together.
   工程师使用一种间隔电缆将两台设备连接在一起。
3. 3.The air-spaced cable was installed in the ceiling and allowed for easy access to electrical outlets.
   空气间隔电缆安装在天花板上，便于电气插座的接入。