请教：已经破成木材的怎么看年轮？

来源: 鸡毛蒜皮于 2014-12-28 12:51:52 [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.