cyanide process

名词 n.
中文释义

英文释义

名词 n.
  1. A method of extracting gold and silver from their ores with a solution of sodium cyanide.
  2. A process of case-hardening iron or steel by immersing it in molten cyanide and then quenching in water or oil.

词形变化

cyanide processes plural
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