“oxygen mask”的概念、定义、翻译、参考文献-科学参考

单词	oxygen mask
释义	oxygen mask Encyclopedia 工学个体防护救生装备释 oxygen mask供氧面罩飞机防护救生系统中，将供氧系统输来的呼吸气体导入人体呼吸器官，并将呼吸器官和周围大气隔开以保持应有的含氧浓度，以及在一定高度以上保持应有呼吸压力的口鼻呼吸器。
随便看	central field central field approximation central-field approximation central field model central-field model central figure Central Film Service Central Film Studio Central Five and Seven Arts Academy central flow surface central force central force field central-force field central fringe central function Central General de Trabajadores central glial cells central government funds for poverty alleviation central government schooling in Chinese ancient society central green space of housing cluster Central Guizhou urban agglomeration Central Health Laboratory Office central heating heat load central heating water treatment Central Hebei Area Pictorial

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