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熔化废钢的热量
met. heat for melting scrap steel (A considerable amount of the heat for melting scrap steel is generated by the cracking of the volatile matter of coal into CO and H₂ and by their subsequent oxidation to CO₂ and H₂O. 大部分熔化废钢的热量是由煤的挥发分裂解成 CO 和 H₂, 随后又氧化成 CO₂ 和 H₂O 时放出的热量。)