Hellow guys, Welcome to my website, and you are watching (KOR) 에어컨이 시원한 이유는? 냉각 원리에 대해 알아보자! 【비하인드 과학 세상 에어컨편 - 비과세#2 Behind the Science #2】. and this vIdeo is uploaded by 한국기계연구원 KIMM at 2020-11-05T00:26:27-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.