This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.
讨论了二氯甲烷替代一氟三氯甲烷进行软质
氨酯泡沫塑
。
This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.
讨论了二氯甲烷替代一氟三氯甲烷进行软质
氨酯泡沫塑
。
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