ductusn.<拉>导管ductn.管道；导管vt.用导管输送duct type fading波导型衰落Ducts or Ducting导管ducts of Wirsung[医] 维尔松氏管, 胰管Ductal carcinoma导管癌ductilitymachine延性试验机ductus caroticus[医] 颈动脉管(胚)duct piece crack管片开裂duct ventilation管道通风duct line length管道长度duct lymphocytes胸导管淋巴细胞

1. All ductwork is internal to the dryer box.
   所有管道系统内部的机框。
2. Forced air systems send heated air through ductwork.
   机械通风通过管道系统来输送热空气。