这些呼吸防护口罩设计为一次性使用。不要重复使用呼吸防护口罩。
These respirators are designed for single use. Do not re-use the respirator.
基于对这种病毒的认识，CDC和WHO已经指定使用n 95型一次性过滤型口罩用于帮助减少通过空气传播SARS的感染几率。
Based on their understanding of this virus, CDC and WHO have designated N95 filtering disposable respirators as appropriate in helping to reduce exposure to airborne SARS.
基于对这种病毒的认识，CDC和WHO已经指定使用n 95型一次性过滤型口罩用于帮助减少通过空气传播SARS的感染几率。
Based on their understanding of this virus, CDC and WHO have designated N95 filtering disposable respirators as appropriate in helping to reduce exposure to airborne SARS.
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