您要查找的是不是：
- ventilation trachea 换气气管
- This is a room with good ventilation. 这是个通风良好的房间。
- Foreign bodies may lodge in the trachea. 异物可能留在气管里。
- Lease-valves for trachea following link? 租赁的供气管不含阀以下的连接?
- Trachea intubatton for no breathing. 呼吸停止者给予气管插管;
- The ventilation is poor, the lieutenant admits. 中尉承认，通风设备很糟糕。
- The other two were taken fenestration for trachea. 第2例行窗形姑息性切除；
- Workers should be allowed full ventilation of all their difficulties. 工人们应被允许公开讨论他们所有的困难。
- Surgical construction of a respiratory opening in the trachea. 气管造口术在气管中造一呼吸通道的外科建构方法
- They altered the house to improve its ventilation. 他们把房子改装一下使它更通气。
- Regeneration production of ventilation fan. 换气扇的换代产品。
- An appropriate-size tube is chosen to fit the trachea. 选用与气管大小相仿的管子。
- Open the window for some ventilation. 打开窗子好通风。
- Well ventilation, away from corrosive gas. 通风良好，不带有腐蚀性气体。
- There was dead air due to the lack of ventilation. 因为没有通风这里的空气不流通。
- Ride the train to the ventilation shaft. 乘火车到达通风井找到柱状物体。
- Pseudostratified ciliated columnar epithelium from the trachea. 气管表面的假复层纤毛柱状上皮。
- Variable air volume(VAV) ventilation systems. 变风量通风空调系统。
- Necessary lighting and ventilation to be furnished. 应提供必需的照明和通风。
- Examination of the interior of the trachea, as with a laryngoscope. 气管检查气管内部的检查，如用喉镜进行的
