Most COINS are made of an alloy of copper and nickel.

大多数硬币是由铜和镍的合金制成的。

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Metals suitable for electroless metal plating on fabrics are copper and nickel.

适于织物化学镀的金属是铜和锋，孰优？

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Critics carp that Vale's ventures in copper and nickel have not been wholly successful.

一些吹毛求疵的批评者认为淡水河谷对铜和镍的风险投资并没有完全成功。

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The company's output of iron ore, as well as copper, zinc and nickel, surged in the last three months of 2009 because of strong demand from Chinese carmakers and construction companies.

VOA: standard.2010.01.21

Jinchuan plans to start using BioHeap in both copper and nickel mines in the next few months.

ECONOMIST: A cleaner and cheaper way of refining ore is to use bacteria

It releases nearly 500 tons each of copper and nickel oxides and 2 million tons of sulfur dioxide into the air.

FORBES: The World's Most Polluted Places

The flaw probably happened because of Mr. Brown's imprecise work casting the planchet the copper and nickel blank disc used to create the coin.

WSJ: Rare 1913 Nickel Auctioned for $3.1 Million