开发了一套以强磁性永磁体为驱动介质的行波磁场发生器，该装置具有使金属凝固组织微细化的作用。
An experimental set up of travelling magnetic field excited by supper power permanent magnet was designed, which has obviously refine function for metal solidification structure.
根据电磁场和磁流体力学理论，设计制造了以永磁体为工作介质，对金属液具有磁力驱动控制作用的双磁力驱动流体流动控制器。
Base on the theory of electromagnetic field and magneto hydrodynamic, an apparatus of double-driving by magnetic force media with permanent magnet has been designed and manufactured.
根据电磁场和磁流体力学理论，设计制造了以永磁体为工作介质，对金属液具有磁力驱动控制作用的双磁力驱动流体流动控制器。
Base on the theory of electromagnetic field and magneto hydrodynamic, an apparatus of double-driving by magnetic force media with permanent magnet has been designed and manufactured.
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