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单词 pigging back
释义

Definition of pigging back in English:

pigging back

noun
Metallurgy

  • The addition of more pig iron to the charge in an open-hearth furnace in order to raise its carbon content.

Origin

Early 20th century; earliest use found in Journal of the Iron and Steel Institute.

Definition of pigging back in US English:

pigging back

noun
Metallurgy

  • The addition of more pig iron to the charge in an open-hearth furnace in order to raise its carbon content.

Origin

Early 20th century; earliest use found in Journal of the Iron and Steel Institute.
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更新时间：2025/7/6 12:27:55