تماشای ویدئو Next generation cargo ship with 50m high sails uses 30 less fuel #DigInfo از آی-ویدئو
Next generation cargo ship with 50m high sails uses 30% less fuel
http://www.diginfo.tv/v/12-0066-r-en.php
DigInfo TV - http://diginfo.tv
19/4/2012 SEA JAPAN 2012
The University of Tokyo
Wind Challenger Project