Research Article
Evolution Characteristics of a High-Level Asymmetric Fracture-Seepage Community and Precise Coalbed Methane Drainage Technology during Mining of Outburst-Prone Coal Seam Groups
Figure 3
Fracture fields in overlying strata under different mining distances. (a) 70 m, (b) 100 m, (c) 110 m, and (d) 180 m.
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