About how different fraction of inspired oxygen effected oxygen reserves and how different fraction of inspired oxygen effected respiratory function is unknown so far.
但不同吸入氧浓度对氧储备和呼吸功能的影响如何，目前尚不完全清楚。
About how different fraction of inspired oxygen effected oxygen reserves and how different fraction of inspired oxygen effected respiratory function is unknown so far.
但不同吸入氧浓度对氧储备和呼吸功能的影响如何，目前尚不完全清楚。
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