中等倾斜顶板破碎矿体的开采,垂直分条充填采矿方法是一种较为有效的方法。
Vertical slicing by filled stopes method is effective to mine fracturing ore body with the roof of moderate inclination.
本文着重介绍缓倾斜中厚,上盘围岩中稳到稳固性较差条件下的矿体的采矿方法改进实践过程。
This paper introduced emphatically to mining method for the ore-body of gentle dip and medium thickness under the condition of medium or poor stableness of country rocks in upper wall.
对于矿石价值中等、品位中等的缓倾斜中厚矿体,目前无理想的采矿方法。
There seems no ideal method to mine medium grade, gentle dip and medium thickness orebody.
胶结充填采矿法开采急倾斜矿体对地表的影响与其他采矿方法不同,有着自己的规律。
The impact on ground surface caused by cemented filling method when used for mining steeply inclined orebody is different from that by other methods and has its own law.
浅孔留矿法对急倾斜薄矿脉的矿体开采是一种有效的采矿方法,具有高效低耗与工艺简单等优点。
Short-hole shrinkage mining is an effective method for mining steep-thin veins, and it has advantages of high-efficiency and low-waste and simple technology.
浅孔留矿法对急倾斜薄矿脉的矿体开采是一种有效的采矿方法,具有高效低耗与工艺简单等优点。
Short-hole shrinkage mining is an effective method for mining steep-thin veins, and it has advantages of high-efficiency and low-waste and simple technology.
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