Changing and swing of the axis of flow power is normality.

该河段水流的动力轴线的变化和摆动是常态。

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The change law of net swing for the unit axis is derived, the possible reseaus of the irregular swing are analyzed, and the methods for calculating regular swing are given in this paper.

本文推导了机组轴线净摆度的变化规律，对不规则摆度产生的可能原因进行了分析，给出了规则摆度的计算处理方法。

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Because the brake clearance is influenced by axis moving, the swing of disk brake, its result is a variable quantity.

提升机闸瓦间隙大小受到轴窜、偏摆等的影响，所以其值是一个动态变化的量。

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