The paper studied the preparation of modified urea-formaldehyde resin adhesive with polyvinyl alcohol(PVA) and melamine.是什么意思_The paper studied the preparation of modified urea-formaldehyde resin adhesive with polyvinyl alcohol(PVA) and melamine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句