/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: akrhiga https://cdn.slidesharecdn.com/profile-photo-akrhiga-48x48.jpg?cb=1611880217 î®ÌïÊÐÔÚס¤Î40´ú¥µ¥é¥ê©`¥Þ¥ó