In magnetic recording , a device which removes the magnetic tape from contact with the head on fast wind or rewind 在磁记录技术中使用的一种机构,在快速进带或倒带时能把磁带移开,以免和磁头接触。
In magnetic recording , a device which removes the magnetic tape from contact with the head on fast wind or rewind 在磁记录技术中使用的一种机构,在快速进带或倒带时能把磁带移开,以免和磁头接触。