big inclined coal seam中文,big inclined coal seam的意思,big inclined coal seam翻译及用法

2025-08-10 22:50 浏览次数 4

big inclined coal seam

大倾角煤层

big inclined coal seam 例句

英汉例句

  • Research on partial upper coal bolting technology of big inclined coal seam

    大倾角煤层部分留顶煤锚桿支护技术研究

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