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钟九铁矿井底车场交岔点大断面巷道加强支护技术
李国平, 孙茂贵
Strengthening Support Technology of Large-section Roadway at Intersection of Shaft Yard in Zhongjiu Iron Mine
LI Guoping, SUN Maogui
现代矿业 . 2022, (09): 87 - .