steam flow closure

例句：

1. 1.The steam flow closure is designed to prevent the leakage of gases.
   蒸汽流动关闭设计用来防止气体泄漏。
2. 2.The steam flow closure is used in many industries to ensure safe operation.
   蒸汽流动关闭在许多行业中被使用，以确保安全操作。
3. 3.The steam flow closure can be easily adjusted to fit different sizes of pipes.
   蒸汽流动关闭可以很容易地调整以适应不同尺寸的管道。