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[期刊论文] 作者：Rui Gao,Tiejun Kuang,Yanqun Zhang,Wenyang Zhang,Chunyang Quan,
来源：国际煤炭科学技术学报（英文版） 年份：2021
When mining extra-thick coal seams,the main cause of strong ground pressure are the high-level thick and hard strata,but as yet there is no active and effective control technology.This paper proposes the method of subjecting hard roofs to g......
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