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单词 grey slag
释义

Definition of grey slag in English:

grey slag

(US gray slag)
noun
Metallurgy historical

  • A lead-rich residue obtained by a preliminary smelting of lead ore and which is subsequently heated to a higher temperature to give metallic lead.

Origin

Early 19th century; earliest use found in Philosophical Magazine.

Definition of grey slag in US English:

grey slag

(US gray slag)
noun
Metallurgy historical

  • A lead-rich residue obtained by a preliminary smelting of lead ore and which is subsequently heated to a higher temperature to give metallic lead.

Origin

Early 19th century; earliest use found in Philosophical Magazine.
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更新时间：2025/6/18 22:49:55