This paper introduced the test study of upward sublevel filling method in this mine.
本文主要介绍了上向分段胶结充填采矿法在该矿的试验研究。
Take an underground copper mine as studying object, on which the surface has to be protected, the mining method of sublevel filling method with roof reconstructing is studied.
以某地下铜矿为研究对象，研究了地表要求保护的前提下极破碎矿体的顶板再造上向分段充填采矿法。
The mining scheme and new technology of sublevel filling method cemented by crushed stone and cement slurry, and the production linking up technique to transit from caving method to filling meth...
研究应用了分段碎石胶结充填采矿方法较好地解决了这一问题，介绍该采矿方案和碎？。
The mining scheme and new technology of sublevel filling method cemented by crushed stone and cement slurry, and the production linking up technique to transit from caving method to filling meth...
研究应用了分段碎石胶结充填采矿方法较好地解决了这一问题，介绍该采矿方案和碎？。
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