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Mechanisms of support failure and prevention measures under double-layer room mining gobs--A case st
[期刊论文] 作者：Defu Zhu,Shihao Tu,Hongsheng T,
来源：矿业科学技术学报:英文版 年份：2019
In the practice of mining shallow buried ultra-close seams,support failure tends to occur during the process of longwall undermining beneath two layers of room...
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