Center distance 1.5m, support strength 0.52~0.57MPa; suitable for coal seams with thickness of 1.45~2.6m; adapted to complex geological conditions and steeply inclined working face with coal seam dip angle of 65°.
Center distance 1.5m, support strength 0.52~0.57MPa; suitable for coal seams with thickness of 1.45~2.6m; adapted to complex geological conditions and steeply inclined working face with coal seam dip angle of 65°.