谢谢科普，只知道真假两种，一直是凭着感觉，喜欢就买。

来源: mandike 于 2012-07-20 18:24:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.