Study and practice of destressing methods by driving adjacent opening to maintain large chamber in SOFF stratum

  • 邻近开巷卸压法维护软岩大断面峒室的研究与实践

  • 互联网摘选 2025-01-19 22:19:56

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