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1·When hardened layer depths of axle neck and spline bottom diameter is(0.

轴颈及花键底径的硬化层深度为（0。

2·Abrasion and repair condition of axle neck of induced draft fan for boiler in power plant is introduced.

介绍了电厂锅炉引风机承力侧轴颈的磨损和修复情况。

3·Aimed at the wear problem of roll axle neck, failure analysis and rebuilding were made for multi-roller mill.

针对多辊筒碾压机压辊轴颈磨损严重的问题，对其进行了故障分析和改造。

4·The paper introduces the axial inflation volume, relative space, temperature of axle neck and high temperature oxidized sizing reduction of rollers.

文章介绍了炉辊的轴向膨胀量、相对间隙、轴径实际温度及高温氧化减径量。

5·Designs and computations were made for major components such as twisting moment of the valve axle, neck and air jar diameter.

对阀轴的扭矩、轴颈、气缸直径等主要部件进行设计计算。