应该是UVC对杀病毒管用，一直有这方面研究。臭氧只要不达到一定浓度，对身体是无害的吧

来源: zaocha2002 于 2021-07-05 13:17:44 [旧帖] [给我悄悄话] 本文已被阅读：次

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