rotor with non-salient poles

例句：

1. 1. The new car has a high-performance rotor that can reach 60 miles per hour.
   这款新车有一个高性能的转子，最高时速可达60英里每小时。
2. 2. The old steam engine had a large rotor that could turn the wheels.
   旧蒸汽引擎有一个大型转子，可以转动轮子。
3. 3. The aircraft's rotor is responsible for its ability to fly at high altitudes.
   飞机的转子负责其能在高海拔飞行的能力。