This paper expounds the working principle and step requirements of holing-through survey of well lane, and advances several considerations about increasing the holing-through accuracy of the well lane according to the working experience.

  • 阐述了井巷贯通测量的工作原则和贯通测量的步骤要求,并根据工作经验提出了提高井巷贯通精度的几点体会。

  • 互联网摘选 2025-01-20 13:27:54

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