分支管道 meaning in English

divided duct

Investigation on flow characteristics in manifolds
多分支管道若干流动特性研究
Numerical simulation of three - dimensional unsteady flow in diesel manifold pipe
内燃机分支管道三维不稳定流场的数值模拟
Drawings of compound tubulo - alveolar glands - - showing the branching of their duct system - - and a few secretory end - pieces ( alveoli ) . ducts and alveoli are lined with epithelium
复管泡状腺模式图- -图示分支管道系统- -和几个分泌部（腺泡）。导管和腺泡均衬以上皮。