Hellow guys, Welcome to my website, and you are watching 기온에따라 달라지는 수증기의양개념영상. and this vIdeo is uploaded by 청량중과학쌤 at 2020-04-17T17:19:31-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
