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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Roadheader is an import excavation equipment, but its stability is connected with its working efficiency.

掘进机在挖掘设备中具有重要作用，而掘进机作业稳定性与生产效益密切相关。

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The benches allow equipment and personnel access to the fresh ore (gray) exposed at the bottom of the excavation.

这些平台是使（采矿）设备和工人抵达矿坑底部，到新挖出来的矿石（灰色）面前的通道。

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In the morning, excavation equipment was digging through rubble along with the help of rescue dogs searching for bodies believed to be under the 20 stories of collapsed concrete.

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Facing significant deficits of equipment and expertise, Algeria has turned to foreign partnerships to help provide the guidance to early excavation efforts.

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