positive pressure respiration

例句：

1. 1.The patient was given positive pressure respiration to help him breathe.
   给病人提供正压呼吸以帮助他呼吸。
2. 2. During the surgery, the anesthesiologist used positive pressure respiration to maintain the patient's oxygen levels.
   在手术期间，麻醉师使用正压呼吸来维持患者的氧水平。
3. 3. In some cases, positive pressure respiration is used to prevent aspiration of food or liquid into the lungs.
   在某些情况下，正压呼吸被用来防止食物或液体吸入肺部。