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