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本文基于爆破破碎过程的一般理论,通过试验与生产实践中积累的资料,研究了单排孔及多排孔挤压爆破时矿石破碎的机理。认为多排孔微差挤压爆破方法效果较好,单排孔挤压爆破方法只适用于特别情况。
Based on the general theory of blasting and crushing process, the paper explores the mechanism of ore crushing when single-row holes and multi-row holes are squeezed by the experimental and production data. It is considered that the multi-row hole micro-differential extrusion blasting method is effective and the single row hole extrusion blasting method is only suitable for special situations.