以下是引用yanyuan在2007-2-28 15:58:00的发言: If you have adobe acrobat 8.0 professional, click "document" "watermark" "remove". All the watermarks will be gone. my 6.0 professional version seems not to be able to do that[em11] but I'm accustomed to studying the materials on the computer, so it doesn't matter for me. |