求翻译：由煤层及相邻岩层的滑褶作用造成顶底板对煤层的穿刺挤压，使煤层的形态极不规则，厚薄突变，并有局部的分叉合并现象，或煤层内出现外来岩石透镜体。煤层的原生结构基本不保存，煤体结构呈碎裂状、鳞片状。是什么意思？

Roof and floor of coal seam puncture, extrusion, so that the seam of very irregular shape, thickness of the mutation caused by the slip fold role of coal seams and adjacent strata, and local bifurcation of the merger phenomenon, or coal seams within the rock alien lens. The native structure of the c

The coal seam and the adjacent rock slide caused by folds role top plate of the puncture crush of coal seams, and the rules of the patterns are not thick or thin, mutations, and there are local fork merge, or coal seams occur in foreign rock lens. coal seams of the original, basic structure, and doe

Creates by the coal bed and the adjacent strata slippery pleat function goes against the ledger wall to the coal bed puncture extrusion, causes the coal bed the shape not to be extremely irregular, thickness changes suddenly, and has the partial furcation merge phenomenon, or in the coal bed appears

Sliding fold effect caused by the seams and the adjacent rock strata in roof and floor seams puncture and squeeze, seam shape irregular, mutations in thickness, and fork merge on a local phenomenon, or coal seam appeared in foreign rock lens. Primary structure of the coal seam is not saved, of coal

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