bore hole method

基本解释

It may result in serious safety problem to exploit the stagnant deposit of Chaohou Salt Mine by bore hole well air cushion solution method.
对于乔后盐矿的呆滞矿体，若以现在使用的钻井气垫水溶法开采，将产生严重的安全问题。
It is researched that the bore-hole transient electromagnetic method is applied to detect the water-bearing structures in advanced face of underground coal mines.
利用瞬变电磁法在煤矿井下独头巷道开展了超前探测含水构造的试验研究。
When the bore hole-top-enclosed grouting method is used to conduct high-pressure curtain grouting, shallow weathered broken rock is easy to be split, resulting in excessive grout loss.
采用孔口封闭灌浆法进行高压帷幕灌浆时，对于浅层风化破碎岩体易产生多次劈裂而流失过多浆液造成浪费。