The binding work was made next much to the folding paper seam.
装订在太靠近折叠的纸缝合线。
There was a broken seam sliding structure mainly developed in the mining area and there was less folding broken in the seam.
矿区主要发育断裂式层滑构造，造成煤层揉皱破碎较少。
There was a broken seam sliding structure mainly developed in the mining area and there was less folding broken in the seam.
矿区主要发育断裂式层滑构造，造成煤层揉皱破碎较少。
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