在现代航空中，虽然有良好的供氧防护装备，但由于飞机密封增压座舱失密封、面具佩戴不严或供氧系统故障等，均可引起飞行人员不同程度的缺氧。
In modern aviation technology , although there is fine oxygen system , pilots often suffer from different hypoxia because of loss of cabin pressure , unfitness of mask , trouble with oxygen system , and so on .
飞机增压座舱