... Zinc Leached Residue 锌浸出渣 zinc retort residue 锌蒸馏渣 zinc leaching residue 含锌浸出渣 ...
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zinc leached residue
锌浸渣
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The leached out residue is reduced by sodium carbonate, then the gdd-silver alloy is decomposed by nitric acid, and finally zinc powder is used to replace silver.
浸出渣用碳酸钠还原，再用硝酸分解金银合金，然后用锌粉置换银。
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