This paper also analyzes the cost and key technological measures for steel carrying pole method.

  • 总结了钢扁担梁更换支座的关键技术措施。

  • 互联网摘选 2026-07-02 13:33:06

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