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《卡拉干达煤炭》联合企业的《斯捷普娜娅》矿开采谷地煤系的6号,7号和8号煤层.7号层和8号层是薄煤层,厚度为1.2和0.8米,层间距为0.6到1.7米.此外,8号层和
The “Stapunya” mine of the “Calgary Coal” unit collects seam series 6, 7 and 8. The layers 7 and 8 are thin coal seams with thicknesses of 1.2 and 0.8 meters, Layer spacing of 0.6 to 1.7 meters. In addition, the 8th floor and