Hellow guys, Welcome to my website, and you are watching Коэффициент мощности "косинус фи". and this vIdeo is uploaded by GetAClass - Физика в опытах и экспериментах at 2018-11-01T00:18:43-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
