Is this world nothing but a barren lump of coke?

难道这个世界只是一片荒芜，一堆煤炭？

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Direct reduction is an iron smelting process for producing metallic iron using gas, liquid fuels and non-coke coal as energy to reduce pellets, lump ore and fine ore under solid state.

直接还原是一种以气体、液体燃料或非焦煤为能源，使用球团矿、块矿、粉矿在固态下进行还原生产金属铁的炼铁工艺技术。

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