这是在飞机、潜艇及宇宙飞船里，应急空气的来源，它在被加热时释放氧气。
It's a source of emergency air on planes, submarines, and spacecraft that releases oxygen when heated.
机舱将被加压；就像普通航班那样，氧气面罩只供应急之用。
The cabin will be pressurized; as on airline flights, oxygen masks will be for emergencies only.
还就实际工作中的氧气使用管理的注意事项、管理方法、要求，以及应急系统的应用进行了阐述。
Also, attention should be paid, management methods, requirements and emergency response system application in the usage of oxygen in practice are described.
还就实际工作中的氧气使用管理的注意事项、管理方法、要求，以及应急系统的应用进行了阐述。
Also, attention should be paid, management methods, requirements and emergency response system application in the usage of oxygen in practice are described.
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