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Research on the Grouting Thickness of Roof Purdah in the Mining of Karstic Water-filling Deposit

机译：岩溶注水开采中顶板灌浆厚度的研究。

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Fu Shi-gen; Xu Kai-li; Zhang Nai-bao;
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年度 2011
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4. Research on the Grouting Thickness of Roof Purdah in the Mining of Karstic Water-filling Deposit [C] . Shi-gen Fu, Kai-li Xu, Nai-bao Zhang International Symposium on Mine Safety Science and Engineering . 2013

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6. Pollution Distribution of Potentially Toxic Elements in a Karstic River Affected by Manganese Mining in Changyang Western Hubei Central China [O] . Zhao Liu, Ye Kuang, Shengtao Lan, 2021

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8. Relationships between Annulus Thickness and the Integrity of Resin-Grouted Roof Bolts [R] . Ulrich, B. F., Wuest, W. J., Stateham, R. M. 1988

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Research on the Grouting Thickness of Roof Purdah in the Mining of Karstic Water-filling Deposit

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