PDF(653 KB)
Research on Water Shutoff by Bolt-grouting Method in Air-shaft of Tangkou Coal Mine
QIAO Wei-guo, MENG Qing-bin, LIN Deng-ge, MEN Yan-qing
Mining and Metallurgical Engineering ›› 2010, Vol. 30 ›› Issue (6) : 26-29.
PDF(653 KB)
PDF(653 KB)
Research on Water Shutoff by Bolt-grouting Method in Air-shaft of Tangkou Coal Mine
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