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hard coal seam

网络释义

  硬煤层

硬煤层

基于1个网页-相关网页

短语

medium hard coal seam 中硬煤层

hard thick coal seam 硬厚煤层

hard and thick coal seam 硬厚煤层

有道翻译

hard coal seam

坚硬煤层

以上为机器翻译结果,长、整句建议使用 人工翻译

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.

    介绍了新型刨煤机的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

  • Gas drainage in high gassy coal seam with low gas permeability is always an hard solved significant technology problem in the process of safety production.

    高瓦斯透性煤层的瓦斯抽放,一直煤矿安全生产过程中的重大技术难题

    www.dictall.com

  • The hard-and-thick strata ACTS both as the floor of coal seam No. 7 and as the roof of coal seam No. 9 in Zhangshuanglou coal Mine; and coal seam No. 9 is also hard.

    张双楼煤矿采煤层79煤,煤之间赋存唯一一层厚岩层,即9煤层直接也是7煤层的直接底。

    202.127.156.16

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