wedge gate valve

例句：

1. 1.The wedge gate valve is used to control the flow of water in a pipeline.
   楔形闸阀用于控制管道中水流的流动。
2. 2. The engineers installed the wedge gate valve at the entrance of the tunnel.
   工程师们在隧道入口处安装了楔形闸阀。
3. 3.The wedge gate valve was designed to prevent leaks and ensure safe operation of the pipeline system.
   楔形闸阀的设计旨在防止泄漏并确保管道系统的安全可靠运行。