steam heat reducing valve

例句：

1. 1.The steam pressure reducing valve is used to control the flow of steam.
   蒸汽减压阀用于控制蒸汽的流量。
2. 2. The steam pressure reducing valve is essential for maintaining safe operation of the steam engine.
   蒸汽减压阀对于保持蒸汽发动机的安全运行至关重要。
3. 3. The steam pressure reducing valve helps to reduce the risk of explosion in the process of steam generation.
   蒸汽减压阀有助于降低蒸汽生成过程中爆炸的风险。