WOW，科學家的思維就是牛， π 兄用什麽精密儀器放鹽，確定下量多少？：）

來源: 棗兒~ 於 2011-01-05 08:20:02 [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.