This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.
讨论了用
烷替代一氟三烷进行软质聚氨酯泡沫塑料的生
。
烷This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.
讨论了用烷替代一氟三烷进行软质聚氨酯泡沫塑料的生。
声明：以上例句、词性
类均由互联网资源自动生成，部
过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
