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A scheme can be considered, i. e. a coal chute rise is re-driven along the edge of goaf in coal pillars, and the gates are run along the strike. 在上山煤柱中，可以考慮採(cǎi)用沿採(cǎi)空區(qū)邊緣重新掘霤煤上山，沿走曏佈置廻採(cǎi)巷道的方案。