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..............page:840-844
Research on mixed mining technology with backfilling and caving methods
YIN Wei;MIAO Xiexing;ZHANG Jixiong;ZHANG Qiang;SUN Qiang;School of Mines;Key Laboratory of Deep Coal Resource Mining;Ministry of Education;China University of Mining & Technology;State Key Laboratory for Geomechanics& Deep Underground Engineering;China University of Mining & Technology;
..............page:845-852
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..............page:860-866
..............page:867-872+879
..............page:873-879
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..............page:886-892
Distribution law of the old goaf residual cavity and void
ZHANG Hongzhen;DENG Kazhong;GU Wei;School of Environment Science and Spatial Information;Key Laboratory for Land Environment and Disaster Monitoring of SBSM;Jiangsu Key Laboratory of Resources and Environmental Information Engineering;China University of Mining & Technology;State Key Laboratory of Coal Resources and Safe Mining;China University of Mining & Technology;
..............page:893-897
..............page:898-903
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