ʹ0886.tv奥运专用口罩-b3c1v2I-20221005   X?   I


1ˮɱ

΢ˮʪȵķʽˮ⡣ʹͳĹС1200m3/Ķֱٽ֮ɱ֤գʡɱ50%ϡ

2ֲ롢ũҵ¸

ʩñʹˮӦ߷ѿʡʣԳɻʸߴ98%̻ڣǿԣͬʱú򽽹ˮͻȻɵѹʧʵ޹20-45%ֲ롣

3ЧʩʡӳЧ

ʩûʺܶԪֽˮˢ˷ˣЧͷϣʧڷʣʡũҵ֧

4ʡʡʱʡ֧Ͷ룺

ʩñ²ˮ⽽ˮͶ˹ʱ䣬ֲɱͬʱ߳ɻʶ֧