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单词 coal gas
释义

WordReference Random House Unabridged Dictionary of American English © 2024
coal gas′, 
    1. Chemistry, Energya gas used for illuminating and heating, produced by distilling bituminous coal and consisting chiefly of hydrogen, methane, and carbon monoxide.
    2. Chemistry, Energythe gas formed by burning coal.
    • 1800–10

Collins Concise English Dictionary © HarperCollins Publishers::
coal gas n
  1. a mixture of gases produced by the distillation of bituminous coal and used for heating and lighting: consists mainly of hydrogen, methane, and carbon monoxide
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