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BF route; blast furnace route (Therefore, intensive research and development worldwide carried out in the past and present aimed at an economical and ecological alternative to the blast furnace route. 因此,无论过去和现在,在世界范围内都进行了大量研究和开发工作,旨在探索替代高炉流程的经济和生态友好的方案。) |
高炉流程 : 8 phrases in 1 subject |
Metallurgy | 8 |