Hellow guys, Welcome to my website, and you are watching 2018 KIMM 과학꿈나무 기계제작대회사전교육 영상교육. and this vIdeo is uploaded by 한국기계연구원 KIMM at 2018-08-22T01:38:00-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
