For example: ore, slag of blast furnace, coal, metallic powder, phosphorous fertilizer, ammonium sulphate and so on.

如：矿石、高炉矿渣、煤、金属粉末、磷肥、硫铵。

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For example: ore, slag of blast furnace, coal, metallic powder, phosphorous fertilizer, ammonium sulphate and so on.

如：矿石、高炉矿渣、煤、金属粉末、磷肥、硫铵。

youdao