/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: DerekTseng https://cdn.slidesharecdn.com/profile-photo-DerekTseng-48x48.jpg?cb=1520842299 please connect me with "oceanblue63131@yahoo.com" in linked in. derektseng@flytech.com.tw