How is surface mining carried out?
露天开采是怎样进行的？
Mining takes place on the Earth's surface, as seen here, as well as underground.
采矿发生于地球表面的，因为在这里看到的，以及地下。
Tonglusha copper mine is a large mine with underground and surface combined mining system.
铜录山铜矿是露天与地下联合开采的大型铜矿。
The surface subsidence basin is the result of underground coal mining.
地下采煤会导致地表下沉盆地的形成。
The surface movement parameters of routine strip mining are optimized.
优化了常规条带开采采动影响预测的地表移动计算参数；
The surface movement parameters of routine strip mining are optimized.
优化了常规条带开采采动影响预测的地表移动计算参数；
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