Study on Gas Extracting Technology of Gas Destressing and Gas Storage from Fractures in Surrounding Rock of Roof and Floor of the First-mined Seams

  • 首采煤层顶底板围岩裂隙内瓦斯储集及卸压瓦斯抽采技术研究

  • 互联网摘选 2025-01-19 22:19:56

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