Time to leave, she must also wear a portable ventilator to help breathing.
次离开，她也必须戴上一个便携式呼吸机帮助呼吸。
Methods Mechanical ventilation was applied to 78 critical patients with portable ventilator powered by oxygen, and the effect was observed.
方法对78例危重患者应用便携式氧气驱动型呼吸机进行机械通气治疗，观察通气效果。
Methods Mechanical ventilation was applied to 78 critical patients with portable ventilator powered by oxygen, and the effect was observed.
方法对78例危重患者应用便携式氧气驱动型呼吸机进行机械通气治疗，观察通气效果。
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