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本文列举了一些大型霹天矿的爆破规模,并通过南芬铁矿大区爆破的试验与运用,分析了大区爆破和增大爆破规模的优越性。
In this paper, the enlarging scale of some large thunder-day mines is listed. Through the experiment and application of blasting in Nanfen Iron Mine, the advantages of large-scale blasting and increasing blasting scale are analyzed.