際際滷shows by User: masoudravansalar / http://www.slideshare.net/images/logo.gif 際際滷shows by User: masoudravansalar / 際際滷Share feed for 際際滷shows by User: masoudravansalar https://cdn.slidesharecdn.com/profile-photo-masoudravansalar-48x48.jpg?cb=1523717193 student of civil engineering ph.d i know english language