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在什么情况下N95口罩需要更换()

多选题
2021-09-03 16:09
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)
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正确答案
A@#@B@#@C@#@D

试题解析

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