Finally hydromining method, an inareawere found through comparison between various mining methods.

通过多种采煤方法的试验 、 比较后,找到了一种对复杂煤层适应性较强的采煤方法——水力采煤方法.

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Borehole hydromining is a kind of safe and efficient new mining method.

钻孔水力采煤是一种既安全、又能极大地提高资源利用率的新的采矿方法.

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