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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This methods is useful for the quality control of the axis swing.

此方法对机组安装轴线摆度质量控制，提高摆度有较大意义。

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This methods is useful for the quality control of the axis swing.

此方法对机组安装轴线摆度质量控制，提高摆度有较大意义。

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