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yinguojie: 金币+25, 翻译EPI+1 2015-08-10 07:30:48
The gold grade of 3100g/t is obtained from gold concentrates with a recovery rate of 64.81% after one time of roughing, three times of scavenging and three times of selection. The experimental results  provide a basis for the development of secondary resources of tailings reservoir.
3楼2015-08-10 02:39:50
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