Hellow guys, Welcome to my website, and you are watching (1강)하늘버스와 함께하는 자가용조종사 지상학술 강의 1강 에어포일(Airfoil). and this vIdeo is uploaded by 하늘버스 at 2021-02-07T17:40:30-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
