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以典型的新建煤矿煤层为例,阐述采用水泥煤矸碴胶泥砌筑石墙留巷方式的优点,并进行技术经济分析。
Take new built mine seam for example, expound the advantages of leaving roadway fashion of concrete coal refuse cinder cement stone wall, and make analysis of technical economic.
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胶泥煤,无结构的腐泥煤。
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