探测结果,为该矿由露天开采转入地下生产,提供了安全保障条件。
Mainly used in roadway construction, excavation rock and soil volume, opencast working, blom up holes of explosion & pre-intensity, for water conservancy projects.主要用于道路建设、土石方开挖及露天开采,水利工程爆破孔、预烈孔的凿岩工序,是理想的高效穿凿设备。
The purpose of the paper is to discuss the relationship between underground right and ground right of reclaimed land in the process of opencast working of coal mine.研究目的:探讨煤矿露天开采过程中复垦土地地上权和地下权的关系。