预留泄水孔法超前解决老空水害威胁技术应用 |
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作者姓名: | 王国旺 |
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作者单位: | 开滦能源化工股份有限公司范各庄矿业分公司,河北唐山063000 |
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摘 要: |
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关 键 词: | 老空积水 预留泄水孔 疏放 |
Technology application of reserved drainage hole method to solve the water damage threat advancedly in old goaf |
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Authors: | Wang Guowang |
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