什么叫＂平滑”的表面？太不好意思了，原谅俺这么笨。

来源: AP24 于 2012-12-05 20:37:51 [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.