differential pressure controller

例句：

1. 1. The differential pressure controller is used to maintain a stable pressure difference between the two sides of the pipeline.
   差压控制器用于保持管道两侧的压力差稳定。
2. 2. The differential pressure controller was designed to prevent overpressure in the system.
   差压控制器被设计用来防止系统中的超压。
3. 3. The differential pressure controller is crucial for maintaining the integrity of the pipeline system.
   差压控制器对于维护管道系统的稳定性至关重要。