steam supply valve

例句：

1. 1.The steam supply valve is responsible for controlling the flow of steam in the factory.
   蒸汽供应阀负责控制工厂中蒸汽的流量。
2. 2. The engineer carefully inspected the steam supply valve to ensure it was functioning properly.
   工程师仔细检查了蒸汽供应阀，确保其正常工作。
3. 3. The steam supply valve was replaced after a few days of use, as it had developed a leak.
   使用几天后，蒸汽供应阀被更换了，因为它出现了泄漏。