The addition of silver to a mixture of gold and silver until the proportions are about one to three, at which point it becomes possible to remove…
| 单词 | θ209361 |
| 释义 | society > occupation and work > industry > working with specific materials > working with metal > [noun] > alloying > for specific purpose (1) quartation1617 The addition of silver to a mixture of gold and silver until the proportions are about one to three, at which point it becomes possible to remove… |
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