duplexer of coaxial line system

例句：

1. 1.The duplexer in the router is responsible for separating and forwarding data between two networks.
   路由器中的双工器负责在两个网络之间分离和转发数据。
2. 2. The engineer installed a new duplexer in the old system to improve its performance.
   工程师在旧系统中安装了一个新的双工器以改善其性能。
3. 3. The duplexer was designed to reduce interference and improve signal strength.
   这个双工器被设计来减少干扰并提高信号强度。