短语词组短語ball -and-socket ankle joint 杵臼踝關節the ball and socket joint 杵臼關節ball and socket ankle joint 仵臼踝關節;臼踝關節Ceramic ball -and-socket joint 發明名稱Cast ball -and-socket support joint 鑄鋼球鉸支座節點 返回 ball and socket joint