Emergency oxygen supply system, allowing passengers from chemical gas attacks.

紧急氧气供给系统，可以让乘客免受化学气体的攻击。

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Conclusions the new techniques in oxygen supply system should be fully adopted in the fighter of our country.

结论我国战斗机应充分运用供氧系统新技术。

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Compared different oxygen supply methods, BLB mask was chosen for oxygen supply system of passenger cars on Qingzang railway.

对比不同的供氧方法，选择blb氧气面罩用于青藏客车供氧。

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Its maker, a Dutch alchemist called Cornelius van Drebbel, is thought to have used a primitive oxygen-supply system, based on saltpetre, to prevent the crew from asphyxiating.

ECONOMIST: The science of survival