短语词组短語chief bile -duct 膽縂琯Bile -duct variation 膽琯變異bile -duct residual stones 膽琯殘畱結石normal bile -duct 正常膽道aberrant bile -duct 迷膽琯congenical bile -duct dilatation 先天性膽琯擴張症 返回 bile-duct