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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透平压缩机是冶金、石油化工、天然气输送、制冷以及动力等工业部门广泛使用的大型关键设备。

Turbocompressor is the important device in the industry department such as metallurgy, petrochemicals, natural gas transportation, refrigeration etc.

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工业以食品、轻纺、机械、冶金、动力、建筑材料、化学为主。

Industries for the food, textile, machinery, metallurgy, power, building materials, chemical-based.

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