際際滷shows by User: shahen2109 / http://www.slideshare.net/images/logo.gif 際際滷shows by User: shahen2109 / 際際滷Share feed for 際際滷shows by User: shahen2109 https://cdn.slidesharecdn.com/profile-photo-shahen2109-48x48.jpg?cb=1523471611 I'm a communication engineer