机译:Impact of Micro-NPR bolt on the mining of deep-buried phosphate via the room-and-pillar method
State Key Laboratory for Geomechanics and Deep Underground Engineering China University of Mining and Technology (Beijing)||School of Mechanics & Civil Engineering China University of Mining and Technology (Beijing)||Department of Earth Sciences University of Florence;
State Key Laboratory for Geomechanics and Deep Underground Engineering China University of Mining and Technology (Beijing)State Key Laboratory for Geomechanics and Deep Underground Engineering China University of Mining and Technology (Beijing)||School of Mechanics & Civil Engineering China University of Mining and Technology (Beijing);
||State Key Laboratory for Geomechanics and Deep Underground Engineering China University of Mining and Technology (Beijing)||School of Mechanics & Civil Engineering China University of Mining and Technology (Beijing)Department of Earth Sciences University of Florence;
Deep phosphate mine; Micro-NPR; Physical model; Roof-and-pillars system; Twin roadways;