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单词 coal gas
释义 coal gas
noun
: gas made from coal: as
 a. : the mixture of gases thrown off by burning coal (as in the furnace of a house)
 b. : the gas consisting chiefly of hydrogen and methane made by carbonizing bituminous coal in retorts and used for heating and lighting — see coke-oven gas
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更新时间:2024/9/22 21:30:24