/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: WenRuChen1 https://public.slidesharecdn.com/v2/images/profile-picture.png ÎÞÃû:³ó³Ù³Ù±è://·É·É·É.·É°ù±ð³Ù³¦³ó.³¦³¦/²ú±ô´Ç²µ/±è¾±²Ô°ì²â530