丁烷的英文：
butane

secondary recycle isobutane
再循环异丁烷

Other feed stocks can include ethane, propane, butane, and light and heavy naphtha but are not commonly used.
其它原材料包括乙烷、丙烷、丁烷以及一般不用的轻、重石脑油。

Cyclobutane exists predominantly in a "butterfly" conformation
环丁烷主要成“蝶式”构象存在。

A flammable gaseous fraction of petroleum,consisting chiefly of butane.
粗丁烷石油中易燃的气体部分，主要由丁烷组成

Liquefied petroleum gases, such as propane and butane, have not been included as they are too numerous to mention.
由于它们数量众多，无法一一提及，液化石油气体，如丙烷和丁烷没有包括在这里。

Other feed stocks can include ethane, propane, butane, and light and heavy naphtha but are not commonly used.
其它原材料包括乙烷、丙烷、丁烷以及一般不用的轻、重石脑油。