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oxygen mask
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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。
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Sycorax
Sydenham's chorea, rheumatic chorea
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Sydney University Stellar Interferometer
sydrome differentiation of cancer
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Syed Alwi Syed Hassan
syenite
SY group
Sykes-Picot Agreement
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Sylhet
Syllabary of Dialect Pronunciations of Chinese Characters
syllabic consonant
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