英语语法分析

Objective: To evaluate the role of choledochoscope in the planning of surgery and therapy for biliary diseases.

目的：探讨胆道镜技术对胆道疾患术式选择的作用。

Objective: to explore the clinical application and concrete operation methods in trans-tube sinus tract lithotomy by fiber choledochoscope.

目的：探讨应用纤维胆道镜经t形管窦道取石的临床应用和具体手术方法。

To explore the effects and skills of electronic choledochoscope plasma lithotripsy in treating residual calculus after biliary tract surgery.

目的探讨电子胆道镜下等离子碎石治疗胆道术后残余结石的效果及技巧。