control magnet造句

It is tested that the most proficiency method is using pulse - controlled magnet core to generate rotating magnetic field , in which the density and frequency of rotating field can be adjusted , the different form of rotating field can be easily achieved , and both magnetic pole and work piece need not rotate during the magnetic abrasive finishing process
实践证明，最有效的方法是脉冲控制电磁线圈的方法产生。这种类型旋转磁场的强度和磁场的旋转频率都可以得到调节，磁场的不同旋转形式也很容易实现，而且在研磨加工过程中工件和磁极都无需旋转。
It's difficult to find control magnet in a sentence. 用control magnet造句挺难的