Now it has been used successfully in the residual soil, with brick arch supporting system.

  • 本文介绍了我院打破常规在松散残积土层采用砖拱支护扩底施工的成功尝试。

  • 互联网摘选 2025-01-20 00:03:26

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