เครื่องกรองอากาศ ขนาดเล็ก Secrets
Diffusion: Really great particles measuring beneath 0.one micron get bounced around randomly and so are slowed by their interactions with atmospheric atoms and molecules. They at some point drift or get bounced right into a filter fiber, whereupon (another time) they stick within a system referred to as diffusion.บ้านเครื่อง