specific speed of hydraulic turbine

例句：

1. 1. The hydraulic turbine operates at a specific speed to ensure efficient water flow.
   水轮机以特定速度运行以确保水流高效。
2. 2. The design of the turbine requires careful consideration of its specific speed.
   涡轮机的设计与其特定速度的考虑需要仔细。
3. 3. The hydraulic turbine's specific speed is crucial for optimal performance.
   水轮机的特定速度对于最佳性能至关重要。