1. Conclusions The key to prevent recurrent angiocholitis and reduce the reoperation rate is to relieve biliary tract stricture, remove the focus of infection and provide unobstructed bile duct drainage.
   结论解除胆道狭窄，去除病灶，通畅引流是预防胆管炎复发，减少再手术率的关键。

声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。