Continuously running of the improved air compressor for 12000 hours showed that the abrasion between piston rods and packings reduced, while the amount of air leaking to crankcase decreased.
改造后已连续使用12000小时，结果证明，活塞杆和填料的磨损减少，曲轴箱窜气量变小。
The effects of varying the amount of secondary carbide on the character of matrix under three-body abrasion of wear resistant steel have been investigated.
选用三种不同碳、铬含量的耐磨钢，通过热处理获得不同数量的二次碳化物和马氏体基体。
Authors suggest the linear relationship between the anti-abrasion parameters consisting of the amount and distribution of carbides, abrasive surface hardness and the abrasion resistance in this paper.
本文还提出了由碳化物数量、分布、磨损面硬度等因素构成的抗磨参数与相对耐磨性的线性关系。
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