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Technology against Column Falling in Coal Face with Single Props
Author(s): 
Pages: 44,46-47
Year: Issue:  10
Journal: COAL

Keyword:  采煤工作面单体支柱防倒技术;
Abstract: 基于单体支柱工作面的支柱防倒现状,结合实际,采取在顶梁上适当位置打孔方法,对工作面的所有支柱实现有效防倒,成功解决了单体支柱工作面的倒柱伤人问题.
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