Identification of stability for underground opening is a complex mechanical problem with insufficient knowledge.

  • 地下硐室围岩的稳定性评价是个极其复杂、知识匮乏的问题.

  • 互联网摘选 2025-01-19 22:35:19

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