The results show that the existing technological flowsheet can well recover nickel, copper and cobalt while the precious metal recovery level remains to be improved.
结果表明，现有工艺流程能较好地回收镍、铜、钴等金属，而贵金属的回收水平有待提高。
The results show that the existing technological flowsheet can well recover nickel, copper and cobalt while the precious metal recovery level remains to be improved.
结果表明，现有工艺流程能较好地回收镍、铜、钴等金属，而贵金属的回收水平有待提高。
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