求翻译：肝胆管结石病人由于肝胆管狭窄、营养不良、机体免疫力下降及多次胆道手术史等因素，容易合并胆道感染及胆管炎反复发作是什么意思？

Hepatolithiasis because of bile duct stenosis, malnutrition, low immunity, and many factors such as biliary tract surgery, biliary tract infection and is easy to recurrent cholangitis

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Because courage pipe coupling stone patient courage tube narrow, malnutrition, organism immunity drop and many times factors and so on biliary duct surgery history, easy to merge the biliary duct infection and the cholangitis manifests suddenly repeatedly

Due to bile duct stenosis in patients with hepatolithiasis, malnutrition, reduced immunity and multiple factors such as the history of biliary tract surgery, easy with biliary tract infection and cholangitis recurrent attacks

Due to bile duct stenosis in patients with hepatolithiasis, malnutrition, reduced immunity and multiple factors such as the history of biliary tract surgery, easy with biliary tract infection and cholangitis recurrent attacks