medium-length hole 中文意思是什麼
medium-length hole
解釋
中深孔-
Practice of improving medium - length hole blasting effect in open pit mining
提高露天采礦中深孔爆破效果的實踐 -
Through analyzing the local measurement data, blasting vibration formulae are established and blasting vibration promoting characteristics are analyzed, and the differences between the blasting vibration in open pit and in underground medium - length - hole are pointed in this paper
摘要通過對實測數據的分析,給出了爆破地震傳播公式,並對爆破地震激勵特性進行了分析,指出了露天礦臺階爆破與井下中深孔爆破地震的差異。 -
Application of medium - length hole sublevel open stoping to the mining of thick part of high grade complex orebody
中深孔分段空場采礦法在高品位復雜難采厚礦段的應用 -
Application of bench caving with medium - length hole method in xinhua molybdenum mine
淘錫坑鎢礦廢水處理的試驗研究 -
The application and effects of hole - bottom detonating in medium - length hole blasting
論中深孔爆破孔底起爆的實施和應用效果
分享友人