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thin out of coal seam 添加释义

网络释义专业释义

  煤层尖灭

... thin out trap 尖灭圈闭 thin out of coal seam 煤层尖灭 thin bed 薄层 ...

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  • 煤层尖灭

·2,447,543篇论文数据,部分数据来源于NoteExpress

双语例句

  • Based on an example from Datong Coalmines Group, the paper analyses possibility and usage of heavy plow under the conditions of thin seam coal face with Two Hard Roofs and gives out some proposals.

    介绍了新型煤机主要性能结构特点以及使用条件结合晋城矿区煤层赋存条件,论证了煤机晋城矿区使用能大幅度地提高综采工作面煤炭块率。

    www.dictall.com

  • Therefore, the conventional staggered distance model of ultra-close thin coal seam group during combined mining is put forward; and the theoretical research and physical simulation are carried out.

    因此提出极近距离煤层联合开采常规开采模型进行理论物理模拟试验研究

    www.dictall.com

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