[KongchangAI]
Unverified85% confidenceSolutionTime unknown

若真实需求是放射性环境作业(如核电站、放射科清洁),一次性口罩防护等级不足,正确方案是:低风险选N95/FFP3颗粒物口罩→中高风险选半面罩+P100滤棉→高污染环境选正压动力送风呼吸器(PAPR)配全面罩,口罩只是最低级入门防护

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