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- The adjacent structures of the ostia differ from each other by the different location of the ostium.The clinical significance of the ostium and the nasofrontal duct were discussed. 认为，开口于不同部位的额窦窦口周围结构不同，对研究额窦的生理、病理，以及提高鼻窦内窥镜检查和额窦开放手术具有重要的参考和指导意义。
- Applied anatomy of the ostium of frontal sinus and the nasofrontal duct 额窦窦口及鼻额管的应用解剖学观测
- nasofrontal duct 鼻额管
- Carrying down or away. Used of a duct or vessel. 传送的指通过导管或管道传送下来的或输送的
- A duct often contains cross braces. 管道内往往是有支撑拉条。
- A tube or duct for enclosing electric wires or cable. 线管包裹电线或电缆的管子或沟道
- A/C duct and vent duct structure of W/H Deck. 驾驶甲板空调、机械风管结构。
- Maybe you have never heard of duct tape. 也许你还没有听说过管道胶带吧。
- The tie on the cystic duct may slip off. 在胆囊管上的结扎可能滑脱。
- Balancing components shall have duct jacket. 弹性补偿元件应有导流套;
- It's duct tape. To fix the frayed wires. 这是传输管胶带修补磨损的电线。
- Treatment of iatrogenic bile duct injury. 医源性胆管损伤的处理。
- External air duct and exhaust pipe connector. 外置式出入油管连接座。
- In addition, bile duct antrum but outspread. 此外，胆管腔可扩张。
- In the center is a duct lined by carcinoma cells. 中央为有癌细胞排列于其中的导管。
- What they found was rope, duct tape, and knives. 他们发现里面装的竟然是绳子、胶带及刀子。
- Friction index: close to galvanized iron duct. 沿程摩阻系数：沿程摩阻系数接近镀锌铁皮风管。
- Measure distances for HVAC duct placement. 测量距离为暖通空调管安置。
- Kimberly cries through the duct tape on her mouth. 尽管金伯利的嘴被胶带封住了，她仍然大叫起来。
- Dummy bottom and honeycomb duct are furnisher. 没有假底和异流管理；
