unit speed of hydraulic turbine

例句：

1. 1.The unit speed of the turbine is critical for its performance.
   涡轮机的单位速度对其性能至关重要。
2. 2. The design of the turbine requires careful consideration of the unit speed.
   涡轮机的设计需要仔细考虑单位速度。
3. 3.The unit speed of the turbine is determined by the size and weight of the rotor.
   涡轮机的单位速度由转子的大小和重量决定。