valve quieting curve

例句：

1. 1. Thevalve quieting curve is critical for maintaining the system's stability.
   阀门消音曲线对于保持系统的稳定性至关重要。
2. 2.The valve characteristics were optimized to reduce noise and improve efficiency.
   阀门特性经过优化，以降低噪音并提高效率。
3. 3. The valve response curve shows how the valve opens and closes in response to changes in pressure.
   阀门响应曲线显示了阀门如何根据压力变化打开和关闭。