Application of technique of horizontal hole drilling and grouting to stopping up water in exploring and mining declined shafts in high pressure water-bearing strata

  • 探采斜井中高压含水地层水平孔钻进止水注浆方法

  • 互联网摘选 2025-01-20 17:28:31

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句