Magnetic coupling pump drive motor can play a role in overload protection.
泵的磁性联轴器可以对传动电机起到超载保护的作用。
In this case there is always a magnetic coupling between the rotor and the stator.
在这种情况下，始终存在一个磁耦合转子和定子。
The coupling to magnetic field is via the long derivative.
与磁场的耦合是通过长导数得到的。
The coupling to magnetic field is via the long derivative.
与磁场的耦合是通过长导数得到的。
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