coupled valve

例句：

1. 1. The coupled valve is used to control the flow of fluids.
   耦合阀用于控制流体的流动。
2. 2. The engineer designed a new coupled valve for the project.
   工程师为该项目设计了一个新的耦合阀。
3. 3. The coupled valve was responsible for ensuring the safety of the pipeline system.
   耦合阀负责确保管道系统的安全。