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在机械工程领域，去重动平衡后的坑通常被称为“校正孔”（CorrectionHole）。这个校正孔是在旋转部件（如叶轮、风扇叶片、曲轴等）上钻或铣出来的，用于放置校正材料，以调整部件的平衡性。通过在校正孔中添加或移除校正材料（通常是精确计算过的重量），可以减轻或增加部件的一侧重量，以达到平衡的目的。这个过程称为平衡校正，通过校正孔进行，有助于确保旋转部件在高速运行时不会产生振动和噪音。
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