1. The rubbing pair friction experiments of steel ball and acetabulums of different materials and structures are conducted in the artificial hip joint test machine, and the results of friction experiments of different acetabulum balls and sockets under the same experimental conditions are compared and analyzed.
在人工髋关节试验机上进行了钢球与不同材料及结构的髋臼配副的摩擦试验，并对不同的髋臼球窝在同种试验条件下的摩擦试验结果进行了分析比较。