pressure control valve

例句：

1. 1. The pressure control valve isused to regulate the flow of oil inthe engine.
   压力控制阀用于调节发动机中油的流动。
2. 2. The pressure control valve isessential for maintaining safe operating conditions.
   压力控制阀对于保持安全运行条件至关重要。
3. 3. The pressurecontrol valve was designed to prevent overheating of the engine.
   压力控制阀被设计用来防止发动机过热。