Medium grade - wide width paper backed to prepared, previously painted surfaces, glassfibre, non-woven wallcoverings and paper-backed Hessian to normal prepared surfaces.是什么意思_Medium grade - wide width paper backed to prepared, previously painted surfaces, glassfibre, non-woven wallcoverings and paper-backed Hessian to normal prepared surfaces.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句