英语词典
Friction coefficient is determined by substance, roughness concentration and lubricant ( may exist ) of the sliding surfaces.
摩擦系数由滑动面的物质 、 粗糙度和 ( 可能存在的 ) 润滑剂所决定.
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A half-analytical expression of stress concentration coefficents due to surface roughness was proposed, and a prediction method of fatigue limits of peened specimens with surface fatigue sources was suggested.
提出了表面粗糙度引起的应力集中系数的半解析表达式以及疲劳源在表面时疲劳极限的预测方法。
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