The project application cases showed that the gob-side entry retaining with bolt support could effectively cut the side roof of the gob-sides and reduce the loading of the support devices.
英
美
释义
工程应用表明,锚杆支护巷道沿空留巷,有效切落了采空区侧顶板,减小了巷旁支护体载荷;
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