They will mine copper there in the valley.

他们将在那边的山谷开采铜矿。

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The geophysicists went on to conduct a second test in an abandoned copper mine in Arizona, using 25 iron plates spaced at various intervals in tunnels up to 45 metres below ground.

地球物理学家又在亚利桑那州一个废弃的铜矿矿井进行了第二次试验，他们将25块铁板有间隔的放置在地下45米出的坑道中。

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In 2003, Angulos was driving excavation equipment in a large copper mine when he felt a rush of air.

2003年，安格洛斯在一个大型铜矿矿山驾驶采掘设备时，突然感到了一股气体扑面而来。

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The machines are building themselves, doing their own mining to get the materials to make the machines which mine the copper which goes to the factory of machines which makes the telephone.

FORBES: Race Against the Machine

In 2010, 33 miners were trapped in a copper mine in the same region.

BBC: Chile slow search for miner trapped 100m underground

Like gold, oil and other commodities, copper mine supply growth has made little headway recently.

FORBES: Supply Pinch Could Prop Up Price Of Copper