/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: sochangraph https://cdn.slidesharecdn.com/profile-photo-sochangraph-48x48.jpg?cb=1523553637 ��������������� ������������ ��� ���(O)��� ������������ S畛� L動u H動董ng