sector-rim type rotor

例句：

1. 1. The designof the rotor is crucial for theperformance of the machine.
   转子的设计对于机器的性能至关重要。
2. 2. The rotor's efficiencyis directly related to its manufacturing process.
   转子的效率与其制造过程直接相关。
3. 3. The rotor's weight affects the overall stabilityof the machine.
   转子的重量影响机器的整体稳定性。