• 本文介绍一种曲线隧道贯通误差预计方法

    This paper introduces a new method that estimates the through error of a curve tunnel.

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  • 推导出了最佳贯通和横向贯通误差预计公式,并基础给出了任意贯通误差预计公式及贯通误差曲线

    On the basis of those formulas, the predicting formulas of the random breakthrough points errors and the breakthrough error curve are presented at the same time.

    youdao

  • 介绍了许煤矿西风井之间贯通测量的方法、误差分析预计

    This text explains to Xutuan coal mine west breeze well and main well a method, error margin for of run-through measuring analysis with anticipate.

    youdao

  • 结合测量实例,介绍贯通测量在矿山应用误差预计

    This article has introduced the application of through survey as well as its error estimate and precision analysis.

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  • 通过选择斜井反掘贯通测量方法,进行误差预计,得出贯通重要方向误差0。

    By the solution selection for the run-through measurement of the inclined shaft anti-de-sac and error prediction obtaining that the important direction run-through error was 0.

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  • 通过对朝川贯通测量详细介绍了贯通测量误差预计以及贯通测量的施测方法

    The error prediction and measure method of holing survey are introduced in detail by holing survey to the No. 2 Well of Chaochuan Coal Mine.

    youdao

  • 通过对朝川贯通测量详细介绍了贯通测量误差预计以及贯通测量的施测方法

    The error prediction and measure method of holing survey are introduced in detail by holing survey to the No. 2 Well of Chaochuan Coal Mine.

    youdao

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