兴泰煤矿二<SUB>1</SUB>煤层坚硬顶煤预裂爆破技术

南存全;商佳新

Presplit Blasting Technology for Hard Top Coal of Xingtai Coal Mine Second 1 Coal Seam

NAN Cunquan;SHANG Jiaxin

. 2012, (27): 54 -57 . DOI: 10.3981/j.issn.1000-7857.2012.27.008

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