By investigating the relations of hardness difference to wear rate, the best friction pair mate was ascertained.

研究了配副硬度差与磨损率的关系，根据这种关系确定了最佳配副组合。

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By investigating the relations of hardness difference to wear rate, the best friction pair mate was ascertained.

研究了配副硬度差与磨损率的关系，根据这种关系确定了最佳配副组合。

youdao