• Coal ranks in the Yuanyanghu mine area are mainly non-caking coal, long flame coal the second, all good coals for coal chemical industry and power plant.

    鸳鸯湖矿区不粘为主煤次之,良好煤化工动力用煤。

    youdao

  • Coal ranks in the Yuanyanghu mine area are mainly non-caking coal, long flame coal the second, all good coals for coal chemical industry and power plant.

    鸳鸯湖矿区不粘为主煤次之,良好煤化工动力用煤。

    youdao

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