Details, Fiction and เครื่องกรองอากาศ pm 2.5 ยี่ห้อไหนดี
Diffusion: Incredibly good particles measuring below 0.1 micron get bounced about randomly and they are slowed by their interactions with atmospheric atoms and molecules. They sooner or later drift or get bounced right into a filter fiber, whereupon (over again) they stick within a process called diffusion.กิจกรรมเพื่อสา