导管管道槽 duct
气管导管 tracheal tube ; ETT ; tracheal vessel ; [外科] endotracheal tube
输尿管导管 ureteral catheter ; ureterl ctheter ; UC
心血管导管 cardiovascular catheters ; cardiovascular catheter
咽鼓管导管嘴 Eustachian catheter nozzle
丁字形气管导管 T-shaped tracheal cannula
导管状管胞 vessel forming traccheid
血管造影导管 angiography catheter
气管内导气管 endotracheal airway
支气管影导管 bronchography catheter
叶柄薄壁细胞存在晶体，叶柄的导管管径比较大，有大量的通气组织。
The crystals exist in parenchyma cells of its petioles. Its petioles have big vessels and much aerenchyma.
导管分支丰富，形态自然，分布均匀，管壁光滑，分支导管与上一级导管管径过渡平缓。
Duct branch is rich in natural form of uniform distribution, wall smooth, branch pipe and tube diameter on the transition to a flat.
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