Hello guys, Welcome to Africa's Largest Video Search Engine, and you are watching [철골구조] 구조도면 보는 법 _ 접합 상세도 (Connection Detail) / 철골 접합 상세도. and this video is uploaded by 창민 at 2021-01-02T01:00:19-08:00. We are just promoting this video only for entertainment and educational purpose only. I hop you like our Video Search Engine. [UYnNuSbNQFM]