maxillary expansion上颌: maxillary; upper mandible; t ...弓: bow扩张: expand; enlarge; spread牙: tooth牙弓扩张: expansion of arch; expansion of the arch下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:上颌弓扩张,牙弓扩张,即可在微信中查询翻译