تماشای ویدئو 04042013 Simple Machines Day 2 Lever and Wheel and Axle از آی-ویدئو

Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. This video is for educational / teaching purposes only.
9 مرداد 1396
آی-ویدئو