| 释义 |
〔carbonization〕The destructive distillation of bituminous coal, done in the absence of air in order to obtain coke and other fractions having a greater percentage of carbon than the original material.碳化作用：烟煤的分解蒸馏，在没有空气的条件下进行，为得到比最初的原料所含碳的百分比大得多的焦煤以及其它馏分〔cymogene〕A flammable gaseous fraction of petroleum, consisting chiefly of butane.粗丁烷：石油的易燃气态馏分，主要是由丁烷所组成 |