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释义
society > occupation and work > equipment > furnace or kiln > furnace > [noun] > furnaces for melting or refining metals > for roasting or calcining ores > for lead ore > for treating slag products of (1)
slag hearth1584

A furnace for resmelting slag produced in the initial smelting of lead ore, in order to extract more metal. Cf. slag lead, n.

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更新时间:2024/12/25 9:39:19