expiratory gas flow

例句：

1. 1. The patient's respiratory rate is measured to determine the amount of expiratory gas flow.
   患者呼吸率的测量用于确定呼出气体流量。
2. 2.During exercise, the body produces more oxygen-rich expiratory gas flow.
   运动时，身体会产生更多的富含氧气的呼出气体流量。
3. 3. The study found that the quality of air in the room had a significant impact on the patient's expiratory gas flow.
   研究发现，房间内空气质量对患者的呼出气体流量有显著影响。