xylenol-formaldehyde resin 二甲苯酚甲醛树脂...zinc formaldehyde sulfoxylate 甲醛合次硫酸锌...laminated urea-formaldehyde plastic 层压脲醛塑料...laminated urea-formaldehyde plastics 层压脲醛塑料...ichthyol-formaldehyde 甲醛鱼石脂,鱼石脂仿...resorcinol-formaldehyde resin 间一苯二酚一甲醛树脂...urea-formaldehyde plastic 脲醛塑料...urea-formaldehyde foam 脲醛泡沫塑料...urea-formaldehyde resin 脲醛树脂...casein-formaldehyde 酪蛋白-甲醛聚合物...urea-formaldehyde moulding powder 脲醛压塑粉...urea-formaldehyde molding powder 脲醛压塑粉...formaldehyde n.甲醛甲醛甲醛...urea-formaldehyde plastics 脲醛塑料...casein-formaldehyde resin 酪蛋白甲醛树脂...formaldehyde-acetamide 甲醛乙酰胺...creosote formaldehyde 甲醛木溜油,木溜油仿...cast urea-formaldehyde plastic 铸塑脲醛塑料...formaldehyde-gelatin 甲醛明胶...melamine-formaldehyde resin 三聚氰氨-甲醛树脂...disodium formaldehyde sulfoxalate diaminodiphenyl sulfone 二氨基二苯砜甲醛硫氧酸二钠(抑...
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