The characters of scratch trace and method of diagramming the faulted seam position with the figs of scratch trace side angle of depression are discussed.
论述了擦痕的特征及利用擦痕侧伏角图解断失煤层位置的方法。
The characters of scratch trace and method of diagramming the faulted seam position with the figs of scratch trace side angle of depression are discussed.
论述了擦痕的特征及利用擦痕侧伏角图解断失煤层位置的方法。
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