• Through analysing the parameter, construction, designing principle of MG150PW extremum thin seam coal winning machine. This paper discusses its developing vista in extremum thin seam mining.

    通过对MG 150pw煤层采煤参数结构设计原理进行分析论述极薄煤层开采中的发展前景

    youdao

  • Through analysing the parameter, construction, designing principle of MG150PW extremum thin seam coal winning machine. This paper discusses its developing vista in extremum thin seam mining.

    通过对MG 150pw煤层采煤参数结构设计原理进行分析论述极薄煤层开采中的发展前景

    youdao

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