粗想:裝冰的效率最高，半冰次之，水最低，因為水的粘滯力做功較冰多

來源: 釋放它的美於 2011-12-21 22:03:00 [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.