极破碎顶板巷道注浆加固及主动支护技术研究

欢迎访问《现代矿业》杂志官方网站，今天是分享到：

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Research on Grouting Reinforcement and Active Support Technology of Roadway with Extremely Broken Roof

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现代矿业 . 2026, (01): 89 -94 .