toroidal magnetic field【电磁】
盒式带录像机磁头
magnetic head of video cassette recorder
暂无补充释义。
magnetic head of video cassette recorder
暂无补充释义。
toroidal magnetic field【电磁】
magnetic deflection sensitivity【电磁】
pulse generator using non linear magnetic elements
magnetic prandtl number
hard magnetic material
composite permanent-magnetic material【材】
magnetic levitated vehicle【车辆】
magnetic coating