steam regulator

例句：

1. 1. The steam regulator is used to control the flow of steam in the engine.
   蒸汽调节器用于控制发动机中蒸汽的流动。
2. 2. The steam regulator was designed to prevent overheating of the engine.
   蒸汽调节器被设计成防止发动机过热。
3. 3. The steam regulator is essential for maintaining the proper temperature and pressure in the engine.
   蒸汽调节器对于保持发动机的温度和压力至关重要。