短语词组短语carbamide formaldehyde resin 异尿素甲醛树脂carbamide e resin 聚脲树脂Carbamide e resin adhesive 尿素树脂胶Carbamide resin adhesive 尿素树脂胶;尿素树脂胶粘剂;脲醛树脂carbamide e formaldehyde resin 异尿素甲醛树脂 返回 carbamide resin