第二种是对于冶金煤或者说焦化煤的需求。

The second demand is for metallurgical, or coking, coal.

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煤是一种矿物燃料。

Coal is a fossil fuel.

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煤本身就是一种严重的污染物。

Coal itself is a heavy pollutant.

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煤正在成为一种稀缺商品。

Coal is becoming a rare commodity.

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煤是一种矿物燃料。

Coal is a foss il fuel.

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煤是一种燃料。

Coal is a fuel.

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煤是一种矿物。

Coal is a mineral.

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煤是一种可行的代用品。

Coal is one viable alternative.

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泥炭是煤形成的第一阶段，是一种低质煤。

Peat, the first stage in the formation of coal, is a low-rank material.

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煤粉予燃室是一种新型的煤粉燃烧方式。

Pulverized-coal-fired precombustion chamber is a kind of new coal burning equipment.

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水煤浆是一种以煤代油的新型洁净燃料。

As a new and clean fuel, WCS is used instead of heavy oil.

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煤是一种矿物。

Coal and iron are minerals.

youdao

煤是一种矿物。

Coal and iron are minerals.

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