T=(2/5Wp+Wb/2)/(2/5+cos45)

來源: clinton-2007 於 2009-04-02 08:24:47 [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.