據說已經從每小時1萬兆貝克勒爾下降到1兆貝克勒爾了

來源: semin 於 2011-04-11 14:57:13 [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.