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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。
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The rolling-ball coupling is a kind of new and high-efficiency drive part.
滚珠联轴器是一种新型高效的联轴器。
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The rolling-ball coupling is a kind of new and high-efficiency drive part.
滚珠联轴器是一种新型高效的联轴器。
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