Underside The side of the web of paper which contacted the machine wire on the paper-making mahine.Also called Wire side.SeeTop side.是什么意思_Underside The side of the web of paper which contacted the machine wire on the paper-making mahine.Also called Wire side.SeeTop side.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句