It is a safe, comfortable and effective way to breathe oxygen in air compression cabin for the fewer occurrences of adverse effects of anxiety, depression, earache, chest distress.

• 认为空气加压舱面罩吸氧较少发生焦虑、抑郁、耳痛、胸闷等不良反应,是一种安全、舒适、有效的吸氧方法;