短語(yǔ)詞組短語(yǔ)magnetic pipe recording medium 磁性錄音躰Perpendicular Magnetic Recording Medium 垂直磁記錄介質(zhì)magnetic recording medium material 磁記錄介質(zhì)材料magnetic recording medium materials 磁記錄介質(zhì)材料non -magnetic recording medium 非磁記錄媒躰Magnetic recording medium manufacturing method 發(fā)明名稱(chēng) 返回 magnetic recording medium