对类似开采条件矿山的矿柱回采具有一定的借鉴意义。
It can give a certain reference for exploiting to the mine with similar mining conditions.
不同的经济技术条件确定不同的开采境界。
Different condition of economy and technology define different open pit limit.
在注入蒸汽开采初始条件下，能量效率可以达到7.0。
Under the production condition of steam injection, the energy ratio can reach 7.0.
不同地形条件下，煤层开采引起的上覆岩层移动与地表沉降规律不同。
The law of ground motion caused by coal excavation is different on different landforms.
不同地形条件下，煤层开采引起的上覆岩层移动与地表沉降规律不同。
The law of ground motion caused by coal excavation is different on different landforms.
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