The oxygen in high-pressure and small-volume cylinder is mainly used for diving, breeding, mountaineering, oxygen supply for the aged of weak people and emergency medical use etc.
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释义
小容积高压氧气瓶气体,主要用于潜水、养殖、高山缺氧、老弱病人的补给供氧和紧急医疗用氧等用途。
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