我买了不少KN95几乎没戴。这些用耳带的对我来说根本封不住,还是N95比较放心,只是不能久戴——— 呼吸还勉强,勒得难受。
回答: 买了kn95, 还没用过, 准备去医院或呆室内时间长用。 平时是surgical外加一个布口罩, 一般的shopping和活动就
由 greenonion
于 2021-12-08 17:43:05
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