rotor rim

例句：

1. 1. The new model airplane has a sleek rotor rim design.
   新款飞机的流线型转子轮缘设计。
2. 2.During the test flight, the pilot noticed an unusual wear on the rotor rim.
   在试飞期间，飞行员注意到转子轮缘上有异常磨损。
3. 3. The rotor rim is crucial for maintaining the aircraft's stability during takeoff and landing.
   转子轮缘对于保持飞机起飞和降落时的稳定性至关重要。