后曲 meaning in English
arching
back bend
hollowing of back
sagging hollowing of the back
Examples
- Experience of endoscope multiple ligation in treating esophageal varices
应用微超声探头观察食管静脉曲张结扎术后曲张静脉的演变 - Backward curve blade
后曲叶片
arching
back bend
hollowing of back
sagging hollowing of the back