“Ordinary protective masks”的概念、定义、翻译、参考文献-科学参考

单词	Ordinary protective masks
释义	Ordinary protective masks Encyclopedia 工学产业用纺织品释 Ordinary protective masks日常防护口罩日常环境中，普通人群用于阻隔飞沫、花粉、柳絮、微生物等颗粒物传播，阻隔鼻腔或口腔呼出或喷出污染物所佩戴的民用卫生口罩。
随便看	parity representation parity selection rule parity selection rules parity space fault diagnosis method parity transformation parity violation parity violation in beta decay parity violation in β-decay park and outside traffic management park and ride place design Park Bad-Muskau Park Chung Hee park circular transformation Park des Buttes-Chaumont Park Du-jin Parker Parker and Lee Parker instability Parker model Parker Solar Probe Parker's spiral field Parkes Catalogue of Radio Sources Parkes Observatory Parkes Radio Telescope Parke Taylor amplitude

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