magnetic arm磁臂magneticadj.有磁性的；有吸引力的；催眠术的n.磁体，磁性物质Magnetic pinching of the plasma等离子体磁聚Magnetic resonance elastography磁共振弹性成像magnetic-field test equipment磁力探伤机magnetic amplifier control loop磁放大器控制回线magnetic-armature loudspeaker电磁扬声器magnetic composite microspheres磁性复合微球magnetic shielding type HTSCFCLMagnetic resonance imaging unit磁共振成象机magnetic levitation ball system磁悬浮球系统magnetic separation-screening先磁后筛