短語詞組短語ball -and socket joint 杵臼關節(jié)ball and socket reamer 肘節(jié)擴眼器ball and socket ioint 動關節(jié)Bearing ball and socket 球窩軸承Newton Ball and Socket 牛頓物理ball and socket osteotomy 球窩切骨術ball and socket base 球窩軸承座;球窩座ball and socket structure 關節(jié)構造drawbar ball and socket 牽引桿球頭和球座 返回 ball and socket