magnet compound 复磁铁
compound d magnet 复合磁铁
compound permanent magnet 复合永磁
Compound-Structure Permanent-Magnet Synchronous Machine 复合结构永磁同步电机
compound permanent magnet synchronous motor 复合永磁同步电机
nanometer compound permanent-magnet material 纳米复合永磁材料
Compound-Structure Permanet-Magnet Synchronous Machine 复合结构永磁同步电机 ; 永磁同步电机
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