转子重量落在轴瓦上以后，轴瓦下部三块垫铁的接触痕迹应占总面积的（）%以上，并且分布均匀。_汽轮机本体检修工(初级)_全学科试题题库

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转子重量落在轴瓦上以后，轴瓦下部三块垫铁的接触痕迹应占总面积的（）%以上，并且分布均匀。
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