亚洲日韩精品无码专区网站_亚洲日本一区二区_亚洲Av无码专区国产乱码DVD_亚洲精品永久在线观看

畜牧人

標題: 為什么下載要扣費呢 [打印本頁]
作者: 劉陽欱    時間: 2011-2-19 10:11
標題: 為什么下載要扣費呢
今天上來看到“《畜牧人電子期刊》第五期（色氨酸），歡迎下載傳閱”，高興至極，心里在感激不已。點擊下載了，結果顯示我被扣了50元，還沒有下載成功，原因是我的級別不夠！
請論壇解釋解釋




歡迎光臨 畜牧人 (http://www.www12347.com/) Powered by Discuz! X3.5
亚洲日韩精品无码专区网站_亚洲日本一区二区_亚洲Av无码专区国产乱码DVD_亚洲精品永久在线观看 
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