A Study of the Rigidity and Arch Camber of the Main Beam of Gantry Cranes

  • 门、桥式起重机主梁刚度与拱度研究

  • 互联网摘选 2025-01-19 23:46:59

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