三级功能性矫正装置 class iii appliance iii: 类器具functional appliance: 功能性矫治器class iii subdivision iii: 类亚类functional jaw orthopedic appliance: 颌骨功能矫形器functional orthopedic magnetic appliance: 功能性磁铁矫治器下载手机词典可随时随地查词查翻译