/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: engkorkor https://cdn.slidesharecdn.com/profile-photo-engkorkor-48x48.jpg?cb=1523546922 مهندس قوى وآلات كهربيه ..جامعة طنطا Electrical Power & Machines Engineer