Conclusion: it can prolong the time of oxygen supply and improve mental performance to inhaling liquid oxygen at high altitude.
结论：吸入液氧能延长供氧时间，是提高高原人体运动能力和抗疲劳的理想措施。
Indoor oxygen supply: as an assistant health care measure, oxygen channels are set in semi-valid and invalid healthcare districts, oxygen is available at any time.
氧气入室：在半自理、非自理养护区设有氧气通道，如有需要可随时吸氧，达到辅助治疗的效果。
If there is oxygen supply, it can be used for all kinds of inhalation general anesthsia and different anesthsia method usually used in modern time. So multi-function with one machine can be realized.
有氧源时，适用于现代常用的各类吸入全麻醉和不同的麻醉方法，实现一机多用。
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