石油气体燃烧直冲云宵，脚下则有足足33万桶的石油储量等待开采。
High overhead, gas is flaring; underfoot, enough oil to fill 330, 000 barrels is waiting to be offloaded.
生产这种不饱和烃类最重要的路线是靠蒸汽裂解，主要以石油气体和石脑油作原料。
The most important route to produce these unsaturated hydrocarbons is by steam cracking, using principally petroleum gases or naphtha as feedstock.
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。
Liquefied petroleum gases, such as propane and butane, have not been included as they are too numerous to mention.
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