duplexercoupler

例句：

1. 1. The duplexercoupler is used to switch between twochannels in a communication system.
   双工器耦合器用于通信系统中的两个频道之间的切换。
2. 2.The engineer installed the duplexercoupler at the entrance of the factory, improving the efficiency of the production line.
   工程师在工厂入口处安装了双工器耦合器，提高了生产线的效率。
3. 3. The duplexercoupler plays an important rolein maintaining the stability and reliability of thecommunication system.
   双工器耦合器在维护通信系统的稳定性和可靠性方面起着重要作用。