It also could be wood connection，construction technique

來源: 一家三口於 2009-05-18 19:46:18 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

。。。。

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