Design of the Tangxian concrete stone-masonry double-curved arch dam in Nandan county

  • 南丹县塘仙混凝土砌石双曲拱坝设计

  • 互联网摘选 2025-01-20 11:46:23

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