moving magnet instrument 动磁式仪表

induced moving-magnet instrument [电] 感应动磁式仪表

permanent magnet moving coil instrument 永磁动圈式仪表

permanent magnet moving-iron instrument 永磁动铁式仪表

permanent magnet moving iron instrument 永磁动铁式仪表

permanent-magnet moving-coil instrument [仪] 永磁动圈式仪表 ; 永磁动圈式仪器

permanent-magnet moving-iron instrument [仪] 永磁动铁式仪表 ; 极化电磁系仪表