coal gas

名词 coal gas:

1. gaseous mixture produced by distillation of bituminous coal and used for heating and lighting

1. A material such as wood, coal, gas, or oil burned to produce heat or power.
   燃烧剂木头、煤、天然气、石油等燃烧生热并且产生能量的物质
2. Ammonia, coal tar and coke are all by-products obtained in the manufacture of coal gas.
   氨气、煤焦油、焦煤都是煤气生产过程中的副产品。