Total lorentz force does not work, but its component may do so.

总洛仑兹力不作功，但洛仑兹力分力作功。

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The work base of the mill is the largest component, which bears most of the rolling force, so the check of the memorial arch in the design is a key part.

工作机座是整个轧机中最大的部件，它承担着大部分的轧制力，因此在本设计中对牌坊的校核是一个关键的部分。

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The vibration and noise of the pump. 7 because the rotary inertia force component inside the pump is low, can work under high rotation speed.

⑥泵的振动和噪声极小。 ⑦因为泵内的回转部件惯性力较低，可在高转速下工作。

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