• Respiratory protective devices - Compressed air line breathing apparatus for use with a full face mask, half mask or a mouthpiece assembly - Requirements, testing, marking.

    呼吸保护装置面罩罩式面罩口罩一起使用压缩空气导管呼吸装置要求试验标志

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  • A continuous positive airway pressure machine or CPAPM is warn as a face mask, and used to treat frequent episodes of interrupted breathing during sleep.

    一种可以面具一样佩戴循环正气可以用来治疗睡眠过程中频繁呼吸暂停

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  • Conclusions: For pediatric breathing patterns, mask design is a key factor defining budesonide delivery to the lungs, face and eyes.

    结论对于儿科呼吸模式面罩设计决定药物传输肺部眼部面部关键因素

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  • Conclusions: For pediatric breathing patterns, mask design is a key factor defining budesonide delivery to the lungs, face and eyes.

    结论对于儿科呼吸模式面罩设计决定药物传输肺部眼部面部关键因素

    youdao

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