磁: squeak; chirp; peep迭: alternate; change厂: factory; mill; plant; works磁叠层: magnetic lamination磁碟瑕疵: hard fill磁顶: magnetopause磁碟伫列控制块: disk queue control block，dqcb磁定年法: magnetic dating method磁碟伫列: disk queue磁定位测量: casing collar log磁碟座: cd holder磁定位传感器: magnetic position sensor磁碟作业系统模组测试器: disk operating system module tester
