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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