| 单词 | 炼铜 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔blister copper〕An almost pure copper produced in an intermediate stage of copper refining.粗铜：炼铜的中间过程所产生的一种几乎为纯铜的铜美国传统〔matte〕A mixture of a metal with its sulfides, produced by smelting the sulfide ores of copper, lead, or nickel.锍，冰铜：一种带有硫化物的金属混合物，由熔炼铜、铅或镍的硫化物矿石而制成美国传统The company produced 35 000 tonnes of refined copper under tolling agreements in the first half of the year.这家公司根据今年上半年的设施使用协议生产了 3.5 万吨精炼铜。牛津商务 |
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