“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	chemical mineral processing of cut-off grade of copper ore chemical mineral processing of cut-off-grade of uranium ore chemical mineral processing of diamond concentrate chemical mineral processing of graphite concentrate chemical mineral processing of high-silium low grade iron ore chemical mineral processing of kaoline concentrate chemical mineral processing of manganese concentrate chemical mineral processing of molybdenum middles chemical mineral processing of Ni-Mo-V concentrate chemical mineral processing of quartz concentrate chemical mineral processing of refractory run-of-mine ore chemical mineral processing of tantalum-niobium middles chemical mineral processing of tin middles chemical mineral processing of tungsten middles chemical mineral processing of uranium ore chemical mineral processing of vanadium-titanium magnetite concentrate chemical mineral processing reagent chemical models of atmospheric pollution chemical modification chemical modification of antisense oligonucleotide chemical modified starch plastics chemical modifier chemical multiway calibration chemical mutation chemical mutation breeding for forage plants

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