["https:\/\/industry.unist.ac.kr\/wp-admin\/admin-ajax.php?action=mb_download&postid=3018","https:\/\/industry.unist.ac.kr\/wp-admin\/admin-ajax.php?action=mb_download&postid=3019","https:\/\/industry.unist.ac.kr\/wp-admin\/admin-ajax.php?action=mb_download&postid=3020"]