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单词 hard coal
释义

hard coal

noun
Another term for anthracite.The statistics describe the use of hard coal in generation of electricity and heat in Finland....
  • Miners of hard coal ratified a proposed contract today, ending a 30-day strike that began with their rejection of an earlier offer.
  • The railways found that, because of the decreasing proportion of hard coal, even greater quantities of coal were required to provide the necessary locomotive running.
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更新时间:2024/11/12 8:01:49