combined head meaning in Chinese

读写兼用头
读写头
录放磁头
组合磁头
组合头

On dictating equipment , the process of making reproducing a recording by means of a playback head or a combined head
在口述记录设备上，利用放音磁头或组合磁头回放录音的过程。
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。