焦炉厂中生成的焦炭在高炉中还原铁矿石（铁的氧化物）成铁。
As a simple overview, the blast furnace needs coke from the coke plant to reduce the iron ore (iron oxide) to iron.
介绍了适合生产硅铁还原剂的几种煤的性质及用这些煤炼制成焦炭的理化性能。
This paper introduces the physical and chemical properties of some coals and the cokes made from them which are suitable for production of ferrosilicon.
当一块含有不饱和碳的铁放在焦炭床上加热的时候，铁表面的碳含量就会由于内部碳原子的扩散而提高。
When iron which is unsaturated with respect to carbon is heated in a bed of coke, the concentration of the carbon near the surface is increased by inward diffusion of carbon atoms.
当一块含有不饱和碳的铁放在焦炭床上加热的时候，铁表面的碳含量就会由于内部碳原子的扩散而提高。
When iron which is unsaturated with respect to carbon is heated in a bed of coke, the concentration of the carbon near the surface is increased by inward diffusion of carbon atoms.
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