So it indicates that the surface with this kind of concave can reduce friction under the condition of plane-plane contact, and if the concave on the surface has some special depth t...
从而得到结论，在平面-平面接触，乏油状态下，该种表面凹坑有一定减阻作用，且在某一深度的凹坑减阻效果最好。
So it indicates that the surface with this kind of concave can reduce friction under the condition of plane-plane contact, and if the concave on the surface has some special depth t...
从而得到结论，在平面-平面接触，乏油状态下，该种表面凹坑有一定减阻作用，且在某一深度的凹坑减阻效果最好。
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