hard [magnetic] bubble 硬[磁]泡
hard magnetic alloy 硬磁合金
hard magnetic alloy ingot 永磁合金铸锭
hard magnetic disc substrate 硬磁盘基片
Hard Magnetic Material 硬磁材料; 硬磁性材料; 永磁; 难磁化物质
hard magnetic materials 硬合金
Hard Magnetic Properties 硬磁性
hard magnetic property 硬磁性; 永磁性; 永磁性能
hard magnetic steel 硬磁钢
interface of soft and hard magnetic media 软硬磁界面
magnetic hard disk drive 硬磁盘驱动器
magnetic hard material 磁硬物质; 难磁[化]物质
rare earth hard magnetic materials 稀土永磁
semi-hard magnetic mharacteristic 半硬磁特性
hard ferrite magnetic powder 永磁铁氧体磁粉
Magnetic Levitated Hard Disk Drive 磁悬浮硬碟; 磁悬浮硬盘
magnetic pickup head of hard disk 硬盘磁头
magnetic concentrating-strong magnetic concentrating-baking magnetic concentrating 磁选-强磁选-焙烧磁选
Hard Roof and Hard Coal 两硬条件