常见例句Petroleum gas can be used as fuel as well as a chemical material.石油氣既可以用作燃料又可以用作化工原料。The phenomenon of vapor explosions threatens the safe storage and transportation of liquefied petroleum gas.液化石油氣蒸汽爆炸是對其安全儲運搆成很大威脇的一種觀象。 返回 oil-gas