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How To Mine Very Thick Al Seam In Underground Mining

Cheng et al.Environmental engineering and management journal 18 2019, 6, 1311-1325 1312 a large thick coal seam and analyses the basic subsidence law donnelly et al.2001 integrated various factors, such as mining thickness of coal seam, thickness of overlying strata, dip of coal seam, and length of working face, into swift software.

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