Level in Xing'an Coal Mine, the engineering characteristics of combined support with bolt wire cable and shotcrete in roadways driving are analyzed.

  • 结合兴安煤矿四水平中央泵房的工程实践,分析了在掘进巷道中锚网索喷支护的工程特点。

  • 互联网摘选 2025-01-20 13:06:11

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