• This paper introduces state of mining and reserving of thin and almost thin seam, analyses technology and methods of mining thin seam, meanwhile discusses design of hydraulic support in thin seam.

    介绍了我国、极薄煤层赋存开采状况分析了薄煤层开采技术方法对薄煤层液压支架设计进行浅探。

    youdao

  • This paper introduces state of mining and reserving of thin and almost thin seam, analyses technology and methods of mining thin seam, meanwhile discusses design of hydraulic support in thin seam.

    介绍了我国、极薄煤层赋存开采状况分析了薄煤层开采技术方法对薄煤层液压支架设计进行浅探。

    youdao

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