ductern.微阻计(测小电阻的欧姆表)
ductn.管道;导管vt.用导管输送
ductility reduction factor延性折减系数
ductus sublinguales minores舌下腺小管
ductus deferens vestigialis输精管残端
duct of bulbourethral gland尿道球腺管
Duct flange for suction air吸入口法兰
duct piece of shield tunnel盾构管片
ductuli alveolares pulmonis[医] 肺泡小管