Trichloro isocyanuric acid;
三氯酸;
Trichloro isocyanuric acid;
三氯酸;
This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.
讨论了用二氯甲烷替代一氟三氯甲烷进行软质聚氨酯泡沫塑料生产。
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