地应力作用下四孔掏槽爆破破岩机理数值模拟研究

地应力作用下四孔掏槽爆破破岩机理数值模拟研究

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Journal of Shandong University of Science and Technology (Natural Science) ›› 2022, Vol. 41 ›› Issue (02) : 60-69. DOI: 10.16452/j.cnki.sdkjzk.2022.02.007

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