valve overlap duration

例句：

1. 1.The valve overlap duration is critical for the system's performance.
   阀门重叠持续时间对系统性能至关重要。
2. 2. The valve overlap duration was measured to ensure optimal flow.
   测量阀门重叠持续时间以确保最佳流量。
3. 3. The valve overlap duration can affect the overall efficiency of the system.
   阀门重叠持续时间会影响系统的整体效率。