录音设备上的一种装置，它能精确地把重放磁头或组合磁头调准到记录介质的磁道上。
On dictation equipment, a device for accurate alignment of playback head, or combined head, to the track on the recording medium.
录音设备上的一种装置，它能精确地把重放磁头或组合磁头调准到记录介质的磁道上。
On dictation equipment, a device for accurate alignment of playback head, or combined head, to the track on the recording medium.
应用推荐