The invention also discloses an administration method for the two-level battlements type cantilevered L-shaped barricade.

  • 本发明还公开了这种二级垛式悬臂式L型挡墙的实施方法.

  • 互联网摘选 2025-01-18 11:07:25

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