Guide magnet yoke of stator is hollow circular cylinder shaped, and is made up of magneticconduction metallic material;
定子导磁铁轭为中空圆柱形，由导 磁金属材料制成；
2
The utility model has the advantages of simple structure, convenience and practicability, and can be widely applied in the wall surfaces of various non-magneticconduction materials.
本实用新型结构简单，方便实用，可广泛应用在各种非导磁材料的壁面上。
3
Its interference way covers mainly electric magnetic radiation, conduction and induction coupling.