deep inclined thick coal seam中文,deep inclined thick coal seam的意思,deep inclined thick coal seam翻译及用法

2026-05-06 00:54 浏览次数 24

deep inclined thick coal seam

急倾斜厚煤层

deep inclined thick coal seam 例句

英汉例句

  • Study on the mechanized mining of deep inclined thick coal seam and its application in ZhaoGezhuang mine

    急倾斜厚煤层机械化开采在赵各庄矿的探索和应用

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