Copper nickel, good machinability and bad crack resistance.
镍铜，易加工，但抗裂性较差。
These will bring seriously bad impact to the separation of copper and nickel ore.
这些都将给铜、镍矿物的分选带来不利的影响。
Many countries are in-depth study of nickel-copper recycling technology.
许多国家正在对铜镍的回收技术进行深入的研究。
Many countries are in-depth study of nickel-copper recycling technology.
许多国家正在对铜镍的回收技术进行深入的研究。
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