Laid paper: Paper with watermark lines about 1mm apart crossed at 90 degrees by lines 25mm apart formed by a dandy roll on the paper making machine.是什么意思_Laid paper: Paper with watermark lines about 1mm apart crossed at 90 degrees by lines 25mm apart formed by a dandy roll on the paper making machine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句