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分析了滚动抱轴箱轴承游隙的确定在准高速机车抱轴箱装置中的重要性，并介绍了轴承游隙的合理的调整控制。
The importance of determining the bearing clearance of rolling axle bearing in the axle box assembly of quasi-high speed locomotive is analyzed. The reasonable adjusting control of bearing clearance is also introduced.