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在什么情况下N95口罩需要更换()

A、呼吸阻抗明显增加时

B、口罩右破损损坏或与面部无法密合时

C、口罩受污染(如染有血渍或飞沫等异物时)

D、曾使用于个例病房或与病患接触(因为该口罩已被污染)

时间：2021-09-03 16:09 关键词：超星兰州工业学院形势与政策4

答案解析

A@#@B@#@C@#@D

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在什么情况下N95口罩需要更换()
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