moving coil

例句：

1. 1. The moving coil is responsible for the motor's operation.
   可移动线圈负责电机的操作。
2. 2. The moving coil was designed to improve efficiency.
   可移动线圈的设计旨在提高效率。
3. 3. The moving coil has a significant impact on the overall performance of the device.
   可移动线圈对设备的整体性能有显著影响。