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Failure caused by 工 -steel to echelon support and preventions
Author(s): 
Pages: 41-42
Year: Issue:  2
Journal: HEBEI COAL

Keyword:  对棚破坏原因对策卸压;
Abstract: 介绍了鹤壁四矿26043上顺槽对棚支架的破坏特点、原因及防止其发生变形破坏的对策.
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