regulating valve seat

例句：

1. 1. The regulating valve seat isresponsible for controlling the flow of oil.
   调节阀座负责控制油的流动。
2. 2. Theregulating valve seat is designed to preventleaks and maintain pressure.
   调节阀座设计用来防止泄漏并保持压力。
3. 3. Theregulating valve seat is a critical componentin the engine's operation.
   调节阀座是发动机运行中的关键部件。