際際滷shows by User: ibrahimhfathy / http://www.slideshare.net/images/logo.gif 際際滷shows by User: ibrahimhfathy / 際際滷Share feed for 際際滷shows by User: ibrahimhfathy https://cdn.slidesharecdn.com/profile-photo-ibrahimhfathy-48x48.jpg?cb=1661871168 mechanical power engineering (hvac).