The experiments obtain that the key strata of bedrock in shallow seam has a significant effect on the stability of aquiclude and clay as well as loess aquicludes are key stratum of water-preserved-mining.

  • 实验得出,近浅埋煤层顶板基岩关键层的运动对隔水层稳定性具有明显作用,粘土和黄土隔水层是保水开采的隔水关键层。

  • 互联网摘选 2025-01-19 23:26:11

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