The area has been mined for slate for centuries.
这个地区开采板岩有数百年了。
They mined the whole area for gold.
他们在整个地区采掘黄金。
They also control the eastern area where diamonds are mined.
他们也管理着东部开采金刚石的地区。
The whole area has been mined out.
整个地区的矿藏都被采光了。
After the whole area has been mined out, all the miners have left.
整个地区的矿全都挖光后，所有的矿工就都离开了这里。
It is greatly convenient for the safe management of the mined-out area.
该系统的应用可极大地方便采空区的安全管理。
It is greatly convenient for the safe management of the mined-out area.
该系统的应用可极大地方便采空区的安全管理。
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