closing electromagnet合闸电磁铁
clutch electromagnet啮合电磁铁
AC electromagnet交流电磁铁
holding electromagnet吸持电磁铁
lift electromagnet起重电磁铁
EM ElectroMagnet电磁
electromagnet speaker电磁扬声器
electromagnet focusing电磁聚焦
electromagnet calculation电磁计算
N-COUNT(可数名词) An electromagnet is a magnet that consists of a piece of iron or steel surrounded by a coil. The metal becomes magnetic when an electric current is passed through the coil. 电磁体