Hellow guys, Welcome to my website, and you are watching Лира САПР. Расчет колонн, балок и связей на примере одноярусной эстакады ч.1 (Урок 5). and this vIdeo is uploaded by PromCAD at 2018-03-25T11:28:20-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.