由在铁芯上缠绕的线圈构成的临时磁铁；当电流通过线圈铁芯就会变成磁体

由在铁芯上缠绕的线圈构成的临时磁铁；当电流通过线圈铁芯就会变成磁体的英文翻译

基本释义

• a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet