Hellow guys, Welcome to my website, and you are watching ✅ آشنایی با مدار ثانویه در پاور سوئیچینگ || secondary circuit in the switching power supply🔷. and this vIdeo is uploaded by cws electronic at 2020-05-20T11:14:03-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.