For example, a steam engine can use coal, newspaper or wood for the fuel, while an internal combustion engine needs pure, high-quality liquid or gaseous fuel.
例如，蒸汽发动机可以用煤，报纸或木头作为燃料，而内燃机需要用纯的，高质量液体燃料或气体燃料。
2
Compound m is a gaseous hydrocarbon and on combustion yields carbon dioxide and water.
化合物m是一种气态的烃，燃烧时生成二氧化碳和水。
3
The researches on boron particle combustion in gaseous phase were made.