The movement of the rock in ditching and the mechanism of millisecond blasting were analyzed.

  • 探讨了沟槽内岩块的运动规律,以及深孔微差爆破的作用机理.

  • 网络文摘精选 2025-01-18 17:36:07

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