actual mining coal pillar

 
       
  • 回采煤柱

actual mining coal pillar的用法和样例:

例句

  1. Keywords mining engineering;shallow seam;water retention during mining;mining coal at intermission;numerical simulation;coal pillar stability;
    采矿工程;浅埋煤层;保水采煤;间歇式开采;数值模拟;煤柱稳定性;
  2. The company is mining coal in the south of country.
    该公司正在国家的南部开采煤矿。
  3. The stability of coal pillar of the short-wall mining was analyzed systemically by numerical simulation with the rock failure process analysis software (RFPA2D).
    采用岩石破裂过程分析软件RFPA2D系统,对短壁机械化开采的煤柱稳定性进行数值计算与分析。
  4. Put forward redistribution of stress in the mining area and Domino effect caused by unstability of coal pillar underground, resulting in sudden roof caving in the gob and surface subsidence.
    提出了采场内煤柱失稳破坏引起采场应力重新分布,出现煤柱群连续失稳破坏的多米诺效应,从而导致采空区顶板大面积突然垮落和地表整体塌陷。
  5. At one time they used to mine coal in these valleys.
    从前他们在这些峡谷中采煤。

actual mining coal pillar的海词问答与网友补充:

提问补充

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临近单词

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