Ultrahigh-molecular-weight polyethylene has been the most widely used material for the acetabular bearing.
绝大多数髋臼假体以超高分子聚乙烯为假体材料.
The crankshafts shown in Fig1-4 is actually made up of various parts such as main bearing journals, rod journal, crank arm, bearing, counter balanced weight and flywheel end.
在图1-4中,曲轴实际上由以下不同的部分组成,它们分别是:主轴承轴颈、连杆轴颈、曲轴臂、轴承、平衡配量(?)以及飞轮端。
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