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释义
society > occupation and work > materials > raw material > mineral material > ore > [noun] > iron-ore > types of (2)
sponge-iron1874

iron ore rendered light and porous by the removal of foreign matter.

sinter1909

Material which has been subjected to sintering; spec. iron ore prepared for smelting by sintering the powdered material, usually together with coke…

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更新时间:2025/1/11 21:18:33