The Definitive Guide to เครื่องฟอกอากาศในห้องนอน ราคาถูก
Diffusion: Really good particles measuring down below 0.1 micron get bounced around randomly and so are slowed by their interactions with atmospheric atoms and molecules. They eventually drift or get bounced into a filter fiber, whereupon (all over again) they stick within a process known as diffusion.นอกจากนี้ ณ ปัจจุ