butanenitrile [機(jī)] 丁butanegas 丁烷氣butanediylidyne n.丁二次基butanediylidene n.丁二亞基butanedioyl chloride [化學(xué)]丁二酰二氯butanedionedioxime 丁二肟butanedione 丁二酮butanediolamine n.丁二醇胺butanediol 丁二醇butanedioic acid [有化] 丁二酸（等于succinic acid）；琥珀酸butanedinitrile n. [有化] 丁二腈butanedicarboxylic acid [食品科學(xué)技術(shù)]丁烷二羧酸[化學(xué)]己二酸butanediamine 丁二胺butanediamide [化] 丁二酰胺butanedial 丁二醛butane-enriched water gas [化學(xué)]增＞富丁烷水煤氣butane-butene fraction [能源科學(xué)技術(shù)]丁烯餾分butane splitter [化學(xué)]丁烷分離塔butane isomerization process [化學(xué)]丁烷異構(gòu)化過(guò)程butane gas stoves [醫(yī)藥科學(xué)]丁烷氣爐