两段浸出
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两段细菌浸出 two stage bacteria leaching
两段逆流浸出 two stage of adverse current leaching
Two-stage leaching
以上为机器翻译结果，长、整句建议使用 人工翻译 。
硫化锌精矿焙烧矿的中性浸出渣常含有锗等有价元素，常规低酸高酸两段浸出流程锗的直收率低。
Neutral leaching residue of roasted zinc concentrate often contains germanium which is poorly recovered in conventional two-stage leaching.
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