Objective To investigate the efficacy and safety of treatm en t of refractory bile duct stones by Swiss LITHOCLAST with cholangioscopy.是什么意思_Objective To investigate the efficacy and safety of treatm en t of refractory bile duct stones by Swiss LITHOCLAST with cholangioscopy.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句