Conclusions The treating of calculus of intrahepatic duct with multiple access minimal invasive technique is worth to spread because of lower trauma and remnant stones.
结论多路微创技术治疗肝内胆管结石具有手术创伤小，取石率高，残余结石率低的优点，值得推广。
Air flow measurement of utility boilers is often liken by using venturi duct, latticed wing, multiple pilot tube and double venturi tube.
电站锅炉的通风量，主要用风道型文丘里、机翼、笛型管及双文丘里进行测量。
Objective:To study the treatment of residual stone(RS) after the operation of multiple calculi of intrahepatic duct.
目的：探讨胆道术后残余结石的治疗方法。
应用推荐