ductern.微阻计(测小电阻的欧姆表)ductn.管道；导管vt.用导管输送duct with large curvature弯曲管道Ductifera nigro-brunnean.黑褐德克耳ductus arteriosus botalli博塔罗管(动脉导管)ductus lymphaticus dexter[医] 右淋巴导管ductuli aberrans superior[医] 上迷管(附睾)ductility testing machine延展性试验机ductility demand spectrum延性需求谱ductus hepatopancreaticus[医] 胰管ductus utriculosaccularis[医] 椭圆球囊管ductulus aberrans superior(附睾)上迷管, 上迷小管