coal gob area treatment 采空区治理
survey the coal gob area 探测采空区
coal mine gob area 煤矿采空区
gob area of coal mine 煤矿采空区
Some problems of bore grouting engineering for coal gob area are discussed in this paper.
文章对煤矿采空区治理工程中的钻孔注浆问题进行了讨论。
The operation measures and effect of high-resolution resistivity prospecting in gob area, Daliuta Coal Mine, are introduced in this paper.
介绍了利用高分辨地电阻率法探查大柳塔煤矿小窑采空区的作业方法和效果。
At last, the effectiveness of using integrated geophysical methods to the coal mine gob area survey with specific engineering exploration is proved.
最终，结合具体工程勘查实践，证明了在煤层采空区勘查中采用综合地球物理勘查技术的有效性。
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