短語(yǔ)詞組短語(yǔ)congenital esophageal ring 釋義先天性食管環(huán)Terminal esophageal ring 末端食管環(huán)lower esophageal ring 下食管環(huán)oesophageal web and esophageal ring 食管蹼和食管環(huán) 返回 esophageal ring