2026-04-12 17:54 浏览次数 17
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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.
通过对朝川矿二井的贯通测量,详细介绍了贯通测量的误差预计以及贯通测量的施测方法。