结论只要叠合接触比例在27%以上，叠合接触面经有效粗糙处理和配筋，就能保证叠合接触面的抗剪刚度。
This paper draws the conclusion that as long as the laminate area proportion reaches more than 27%, and laminate area is roughed quite well, the shear stiffness can be guaranteed.
强调了齿面硬度、面粗糙度、滑情况、用前磨合情况等对齿轮接触强度的影响。
It also expounds influences of hardness and roughness of teeth surface, lubrication, running-in before use on touch strength of gear.
岩样粗糙外表面与水银接触面之间的空腔体积是产生麻皮效应的根源。
It is found that the pore volume between the surfaces of coarse sample and the mercury is the origin of pockmarks -effect.
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