waveguide stub

例句：

1. 1.The waveguide stub was designed to connect the router to the network.
   波导短棒的设计是为了将路由器连接到网络。
2. 2.The engineer used a waveguide stub to test the signal strength.
   工程师使用波导短棒来测试信号强度。
3. 3.The waveguide stub was crucial in the development of the new communication system.
   波导短棒在新型通信系统的发展过程中起到了关键作用。