Hellow guys, Welcome to my website, and you are watching [핫클립] 2022 대한민국 기술사업화 대전 / YTN 사이언스. and this vIdeo is uploaded by YTN 사이언스 at 2023-01-09T03:30:21-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
