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词汇 oxygen masks
释义 oxygen masks短语⁶¹⁵²⁸
基本例句
na.氧气面罩;🌏氧气口罩原型oxygenmask的复数 Analysis of the result showed the oxygen masks had serious comfort and seal defects, which were mainly caused by the un- fitness between masks and faces.
分析表明,现面罩的舒适性和气密性存在较严重的问题,主要原因是面罩体造型与飞行员面型不符; d.wanfangdata.com.cn
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