duplex pressure controller

例句：

1. 1.This duplex pressure controller is designed to control the flow of gases in a pipeline.
   这个双工压力控制器被设计用来控制管道中气体的流动。
2. 2. The engineer used this duplex pressure controller to monitor the pressure levels in the plant.
   工程师使用这个双工压力控制器来监控工厂中的压力水平。
3. 3. The duplex pressure controller was installed at the beginning of the construction project to ensure proper pressure regulation.
   双工压力控制器在建设项目开始时安装，以确保适当的压力调节。