这座煤矿原计划生产440,000吨冶金用煤。

The mine was set to produce 440,000 tons of metallurgical coal.

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煤炭分两种：动力煤(用来发电)和冶金用煤(在某些金属的生产过程中使用，尤其是钢)。

There are two kinds of coal: steam coal, which is used to generate electricity, and metallurgical coal, which is used in the production process for certain metals - especially steel.

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铁矿石、冶金用煤和不锈钢原材料收入占总收入的比例从2007的34%增加至2009的39%。

The proportion of its revenues that come from iron ore, metallurgical coal and stainless-steel ingredients rose from 34% in 2007 to 39% in 2009.

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