By practice of holing-through in main panel and working faces, analyzes successful experience of each connecting project, describes the ensuring means that achieve standardization of survey and no failure in holing-through project from five sides.

  • 通过对主要盘区及工作面的贯通实践,剖析每个贯通工程的成功经验,从五个方面阐述了实现测量标准化、贯通无事故的保障手段。

  • 互联网摘选 2025-01-20 13:27:54

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