moving-coil loudspeaker

例句：

1. 1.This is a high-quality moving coilloudspeaker that delivers crystal clearsound.
   这是一个高品质的移动线圈扬声器，提供清晰的声音。
2. 2. The moving coil loudspeakerin the car has been replaced.
   汽车中的移动线圈扬声器已经更换了。
3. 3. The moving coilloudspeaker is sensitive to changesin volume and can be easily adjusted.
   移动线圈扬声器对音量的变化敏感，可以轻松调整。