Unverified85% confidenceDecision RuleTime unknown
头带式(挂头)比耳挂式密封性更好、贴合压力更均匀,放射性/高危害颗粒物防护应选头带式;耳挂式仅适合低风险日常防尘,长时间佩戴耳挂还会因拉力松弛导致边缘漏气
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85%
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Long-term
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