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Study on Mountainous Shallow-Buried Coal Seam Mining Working Face Strata Behaviors and Overlying Strata Movement Features
Mountainous Shallow-Buried Coal Seam Mining Movement Feature of Overlying Strata Working Face Strata Behaviors
2011/12/20
Through testing the mountainous shallow-buried coal seam mining working face strata behaviors in Faer mine field, it got the strata behaviors: it was of large roof pressure, high rate of safety valve ...