longhole meaning in Chinese
深泡眼
深眼
Examples
- Shaft sinking by longhole blasting in complicated rock mass
复杂岩体内的深孔爆破成井 - Study on large - diameter longhole blasting of underground mining
地下采矿大直径深孔爆破研究 - Application of longhole shock blasting technique in 5413 s gate construction
顺槽施工中的应用 - Series blest crater test for longhole mining in dahongshau copper mine
大红山铜矿中深孔采矿系列爆破漏斗试验 - Longwall and longhole blasting coal mining method for difficult mining seam
难采煤层巷道长壁长孔爆破采煤方法简介