ductern.微阻计(测小电阻的欧姆表)
ductn.管道;导管vt.用导管输送
duct of seminal vesicle精囊排泄管
Ductus arterious patent动脉导管未闭
Ductility and toughness塑韧性
ductus nasohypophysialis鼻垂体管
duct type smoke detector通风管式感烟探测器
ducted-propulsion unit空气喷气推进装置
ductus paramesonephricus[医] 副中肾管
ducto-acinar carcinoma[医] 管腺泡癌
ducts utriculosaccularis椭圆球囊管
ductility seismic design延性抗震