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METHOD OF WORKING BY MECHANIZED SET A PORTION OF AN EXCAVATION PILLAR WITH PLANAR FAULTS
METHOD OF WORKING BY MECHANIZED SET A PORTION OF AN EXCAVATION PILLAR WITH PLANAR FAULTS
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机译:机械化工作的平面断裂基坑的一部分方法
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摘要
method of test механизированным complex of астка выемочного columns with площадным violation, located at штрека coefficients, включакщий follow очист the main забо harvesting machine.transportation у
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