短語詞組短語urea -formaldehyde uf resin adhesive 脲醛樹脂膠粘劑low toxic urea -formaldehyde resin adhesive 低毒脲醛樹脂膠粘劑modified urea -formaldehyde resin adhesive 改性脲醛樹脂膠粘劑low toxicity urea -formaldehyde resin adhesive 低毒脲醛樹脂膠粘劑 返回 urea-formaldehyde resin adhesive