Steel is an alloy of iron and carbon. Coking coal is a source of carbon in the smelting process.

钢是铁与碳的合金，焦煤便是熔炼过程中碳的来源。

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Because of the low thermal conductivity of coal and the slow rate of distillation, coking is a slow process.

因为煤的导热性低、蒸馏的速度慢，所以炼焦的过程较慢。

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Combining production practice, analyses that preparation of coking coal influences coking coal quality and production, expounds the roles of preparation coking coal process in coking production.

结合多年的生产实际，分析了炼焦煤的准备在生产中对焦炭质量和生产操作的影响，阐述了备煤工序在炼焦生产中的作用。

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Suppliers of coking coal, also vital to the steelmaking process, insisted on even greater hikes.

ECONOMIST: Steelmakers on a roll, until the next glut | The