双语例句
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Experimental researches on comprehensive recovery and utilization of a cyanided tailing are carried out.
对某氰化尾渣综合回收利用进行了试验研究。
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A method of increasing recoveries of gold, silver and copper for the gold concentrate containing arsenic and copper cyanided after roasting pretreatment is presented.
提出了一种提高含砷铜金精矿焙烧-氰化工艺金、银、铜回收率的新方法。