ricksimon - p/noxh50 - 讀噗

@ricksimon

Fri, Feb 14, 2020 6:25 AM

Fri, Feb 14, 2020 6:28 AM

[手動]『口罩』的空氣過濾的原理和使用口罩時的應注意事項 via 不織布工業公會

@ricksimon

Fri, Feb 14, 2020 6:25 AM

參考用

@ocococ

說

Fri, Feb 14, 2020 6:27 AM

借轉/

@ricksimon

Fri, Feb 14, 2020 6:28 AM

好喔

@ocococ

說

Fri, Feb 14, 2020 6:30 AM

載入新的回覆