老师用胳膊一直不停地抽打，直到累了，鞭子明显磨损了。
The master's arm performed until it was tired and the stock of switches notably diminished.
股骨侧最高磨损设计ASR及最低磨损的设计Metasul具有明显磨损差异。
Significant differences in femoral wear rates were found between the highest wearing femoral design (ASR) and lowest wearing femoral design (Metasul);
在小颗粒松散磨料的低磨损区，磨损机理主要是微观切削磨损机理，表面有明显的犁沟或者印痕。
In the low wearing area of the loose abrasive of tiny particle, wear mechanism is mainly the micro-cuts wearing mechanism, and the surface has obvious furrow and indentation.
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