永磁体 [电] permanent magnet

永磁铁 [电] permanent magnet

永磁步进电动机 [电] permanent-magnet stepper motor

永磁发电机(Permanent Magnet Generator) PMG

永磁电动机 [电] permanent-magnet motor

粘结磁体 [电] bonded permanent magnet

永磁同步发电机(Permanent Magnet Synchronous Generator) PMSG

铁氧体永磁体 [电] ferrite permanent magnet

永磁接近开关 [电] permanent magnet proximity switch

永磁聚焦行波管 [电子] permanent-magnet focusing TWT