奥贝球铁材料的弹性模量比钢小，因而奥贝球铁齿轮工作时受到的表面接触应力比钢齿轮小。
The elasticity module of ADI is lower than that of steels, so that the surface contact stress borne by ADI gears during working process would be lower than steels.
结果是表面更为平滑、接触应力降低和使用寿命延长。
The result is a smoother surface, lower contact stresses and an increase in service life.
在建立接触副统计表面分形模型的基础上，分析了不同加载条件下的接触应力对磨损状态的影响。
The statistical fractal model of contact surfaces is presented, and the influence of contact stresses on damage states under different load condition is analyzed.
在强夯法加固地基机理的分析中，夯？底部与地基表面的动接触应力计算是关键技术问题。
In the mechanism analysis of consolidation of foundation soil by heavy tamping method, the dynamic contact stress calculation of hammer bottom and foundation surface is the key technical problem.
在强夯法加固地基机理的分析中，夯？底部与地基表面的动接触应力计算是关键技术问题。
In the mechanism analysis of consolidation of foundation soil by heavy tamping method, the dynamic contact stress calculation of hammer bottom and foundation surface is the key technical problem.
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