refractory arsenic-bearing gold ores
refractory arsenic-bearing gold ores
难熔含砷金矿
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The bioleaching of arsenic-bearing refractory gold ores offers an effective pretreatment technology, which is an environmentally friendly process and able to improve the gold recovery.
难浸金矿的细菌浸出预处理是提高其金氰化浸出率的有效技术，也是解决这类矿物处理过程带来的环境负效应的有力措施。
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