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单词 contiguous seam
释义
contiguous seam
  • 简明释义
  • 邻近层
  • 网络释义
  • 1

    ?近距离煤层

    近距离煤层

短语
  • 双语例句
  • 1
    Today during the mining process in contiguous seams, there are many factors leading to hidden danger, such as: the top board being tortured during the exploitation of the lower seam;
    目前,我国矿山在极近距煤层开采过程中,下部煤层开采时,顶板遭受损伤,工作面及巷道顶板易于出现冒顶、漏顶现象,严重时造成支架埋压;
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更新时间:2025/1/11 5:14:27