balance valve

例句：

1. 1. The balance valve is essential for maintaining the proper flow of gases in the system.
   平衡阀对于保持系统内气体的适当流动至关重要。
2. 2. In this particular case, the balance valve was responsible for controlling the pressure difference between the two chambers.
   在这个特定的情况下，平衡阀负责控制两个腔室之间的压力差。
3. 3.The engineer carefully adjusted the balance valve to ensure that the system operated smoothly and efficiently.
   工程师仔细调整了平衡阀，以确保系统运行顺畅且高效。