天气预报 > 其他 > 3m口罩一般得多少天换一次
3m口罩一般得多少天换一次
更新时间: 2020-11-03 00:00:00  

3m口罩使用有效时间为一个工作班,也就是一天换一次,当感觉呼吸阻力明显增加,或当口罩脏污、破损时,需整体废弃,当接触病人或疑似病人后,应立即更换。

3m口罩在一般情况下,主要是根据口罩的使用、破损、卫生情况来判断是否遗弃。专家提醒消费者,不要贪图便宜,长时间不更换防护口罩,以免诱发呼吸道疾病的产生。

关键词: 3m 口罩 一般 多少

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