moving-coil type

例句：

1. 1.The new design uses a moving coil to improve efficiency.
   新设计使用了一个移动线圈来提高效率。
2. 2.In the moving coil type generator, the magnetic field is generated by a rotating coil.
   在移动线圈型发电机中，磁场是由一个旋转的线圈产生的。
3. 3.The moving coil type of motor has a simpler structure and lower cost.
   移动线圈型的电机结构更简单，成本更低。