an artificial lumbar disc
An artificial lumbar disc, which is composed of a member 1 (1) and a member 2 (2) which are mutually independent, wherein: one end of the member 1 (1) is fixedly provided with a projecting portion (101) of which the shape is a part of a sphere or an ellipsoid;
基于1个网页-相关网页
an artificial lumbar disc
人工腰椎间盘
以上为机器翻译结果，长、整句建议使用 人工翻译 。