magnetic head gap depth 磁头缝隙深度

magnetic head gap width 磁头缝隙宽度

magnetic head gap length 磁头缝隙长度

video magnetic head gap 视频磁头缝隙

magnetic head gap amplitude 磁头缝隙宽度

magnetic c head gap 磁头缝隙

magnetic c head gap width 磁头缝隙宽度

magnetic c head gap depth 磁头缝隙深度

magnetic c head gap length 磁头缝隙长度