其他的病人由于正常的髌骨外侧面磨损，应用平的、重新表面化的假体。
The others were treated with a flat, resurfacing type component due to wear of the native lateral patellar facet.
通过对钢轨的修磨可减少由于滚动接触疲劳引起的钢轨损伤，减少钢轨侧面磨损，可延长钢轨的使用寿命0.5 ~ 1倍。
It may decrease fatigue damage causing by rolling contact and side damage on track and prolong rail service life 0.5 ~ 1 time by means of grinding rail track.
合金丝试样中部为变形磨损，侧面为微切削磨损，表现为典型的韧性材料冲蚀磨损特性。
The surface morphologies exhibit deformation wear in the middle and micro cutting wear in the sides, which indicate that all the samples exhibit ductile material characteristics in the erosion.
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