doyenn.老资格;首席
Doyen's curved director大地热量,地热流
Doyen-Collin mouth gag杜-柯二氏开口器
Doyen-Jansen mouth gag杜-詹二氏开口器
Doyen's uterine scissors名利心
Doyen's intestinal clamp陆相储层
Doyen's vaginal speculum地上望远镜
Doyen's tongue depressor地球坐标系
Doyen's vaginal retractor地上摄影
Doyen-Ackland mouth gag杜-阿二氏开口器
Doyen's vulsellum forceps地面折射