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- The third urea joined may obviously reduce the free formaldehyde content of the reacting system, at the same time the reaction production was mainly monomethylolurea. 第3次尿素的加入可以明显地降低反应体系中的游离甲醛含量，同时主要生成为-羟甲脲。
- methylolurea 羟甲基脲
- monomethylolurea n. 一羟甲基脲
