Sulfide ores with BaSO4 as the main gangue , two kinds of slags , speiss and As-Cu alloy have been identified.
在还原熔炼中添加了矿物，冶炼最终产品是合金，还原熔炼产（黄渣）等副产品中通过返料操作在熔炼工序得以回收。
It is concluded that the new Mn-Cu alloy is feasible to be used as absorber in the high-speed rotary fusee-testing machine by the experiment.
通过实验测试得出新型锰合金适合作为高速旋转设备减振部件结论。
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The set consists of nine coins: three in gold, five in silver, and one copper-alloy coin.
3金币、5银币、以1合金币。
But more modern builders stopped using copper and copper alloys. They cost more than other building materials.
但是现代建筑已不再用和合金，因为它们建筑材料都要贵。
Keevil says earlier generations of builders in the United States also knew this about copper. That is why copper alloys such as brass were often used in building materials.
基维尔说美国早期的建筑们也知道的这种用法，因此黄等合金常被用做建筑材料。
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划词翻译
详细解释
矿物，冶炼
最终产品是
合金，还原熔炼产
金币、5
1
已不再用
建筑材料都要贵。
