短語詞組短語magnetically hard steel 硬磁鋼magnetically hard phase 永磁相nanocomposite magnetically hard alloy 雙相納米永磁合金magnetically hard material 硬磁材料;硬磁性材料;永磁材料magnetically hard alloy [材]硬磁合金Magnetically hard materials 磁性硬質材料magnetically soft - hard grains 軟硬磁性晶粒Magnetically Hard Materials Second Edition 第二版rare earth magnetically hard material 稀土永磁材料 返回 magnetically hard