hydrocarbon gases, usually propane or butane, kept under pressure
双语例句
用作名词 (n.)
The phenomenon of vapor explosions threatens the safe storage and transportation of liquefied petroleum gas. 液化石油气蒸汽爆炸是对其安全储运构成很大威胁的一种观象。
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。
