The key to treatment of refractory ores is preoxidation and deleading absorption of carbon on gold.
这些法关键是预氧化和(或)去除碳质矿“劫金性”。
The key to treatment of refractory ores is preoxidation and deleading absorption of carbon on gold.
这些法关键是预氧化和(或)去除碳质矿“劫金性”。
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