英语词汇2-butene的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	2-butene
释义	2-butene 释义 [石油]2-丁烯实用场景例句全部 Duplication of bands in this region is also shown by trifluoropropyne and perfluoro 2 - butene. 三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带. 辞典例句 Duplication of bands in this region also shown by trifluoropropyne and perfluoro 2 - butene. 三氟丙炔和全氟丁烯 -2 在这个区域也出现双重谱带. 互联网行业词典石油 2-丁烯???
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2-butene