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Roof Water Treatment Technology of 21041 Fully-mechanized Working Face in Gaocheng Coal Mine
Author(s): 
Pages: 30,68
Year: Issue:  3
Journal: Coal

Abstract: 介绍了告成煤矿21041工作面在顶板砂岩水的影响下,采取多种举措,采用疏、堵、导、排等方法,有效地治理了顶板水,实现工作面安全顺利回采,不仅多回收煤炭资源4万t,而且对矿井可持续发展起了重要作用.
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