head demagnetizer

... head chip 磁头堵塞 head demagnetizer 磁头消磁器 head dual-track 双声迹磁头 ...

[电子] head eraser

... head adjustment 磁头调整 head eraser 磁头消磁器 head-down display 下视显示器 ...

 head degausser

... 头损坏 head crash 磁头消磁器 head degausser 磁头消磁器 head demagnetizer ...