coal gas
短语煤气 [化] (由煤的气化而得的)煤气(尤指焦炉煤气及发生炉煤气)
释义与例句
n.
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1.
The poisonous gas, used domestically for cooking etc and formerly for lighting, prepared by heating coal with steam (gasification); it is a mixture of hydrogen and carbon monoxide; sometimes synonymous with synthesis gas or town gas.
煤气
不可数 化学 地质