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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。) |