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。
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。
Conclusion: it can prolong the time of oxygen supply and improve mental performance to inhaling liquid oxygen at high altitude.
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