‘the act or process of assaying or reducing ores in the wet way, or by means of liquid re-agents’ (Webster 1864).
| 单词 | θ209347 |
| 释义 | society > occupation and work > industry > working with specific materials > working with metal > [noun] > extraction from ore > other processes (2) hydrometallurgy1864 ‘the act or process of assaying or reducing ores in the wet way, or by means of liquid re-agents’ (Webster 1864). flash roasting1926 (see quot. 1958); so flash-roast v. trans. |
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