bore hole method

基本解釋

It may result in serious safety problem to exploit the stagnant deposit of Chaohou Salt Mine by bore hole well air cushion solution method.
對(duì)于喬后鹽礦的呆滯礦體，若以現(xiàn)在使用的鉆井氣墊水溶法開(kāi)采，將產(chǎn)生嚴(yán)重的安全問(wèn)題。
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.
利用瞬變電磁法在煤礦井下獨(dú)頭巷道開(kāi)展了超前探測(cè)含水構(gòu)造的試驗(yàn)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.
采用孔口封閉灌漿法進(jìn)行高壓帷幕灌漿時(shí)，對(duì)于淺層風(fēng)化破碎巖體易產(chǎn)生多次劈裂而流失過(guò)多漿液造成浪費(fèi)。