ductube 打氣式模型ducts n.管道；導管vt.用導管輸送ductor n.油墨輥ductoma 管癌ductography 管腔造影(術)ductless glands ductless gland 無管腺ductless gastric fluid analysis [交通運輸工程]無管胃液分析ductless adj.無管的；無導管的duction 轉向ducting n. 管道，導管；大氣波導現(xiàn)象ductin 管蛋白ductilometer n.伸縮計ductility transition 韌性轉變ductility limit 流限ductility earthquake-resistance [水利工程]延性抗震ductility n.可延展性；延伸度；可鍛性；韌性ductilimetry n.測延術ductilimeter n.延展計(延性試驗機；延度計)ductileness n.可展性