• 目前- 350水平以上采用干式充填还在出矿,- 350水平以下采用无底柱分段崩落开采- 385水平。

    It adopt dry filling method in the orebody above -350m level and adopt the method of sublevel caving in the orebody under the level. Exploitation engineering already reach -385m level.

    youdao

  • 为此,试验区上分层干式充填采矿进行回采,取得了好的效果

    As viewed form this, the panel upward horizontal cut-and dry filling method has been tried to use for this orebody mining, with a better results.

    youdao

  • 为此,试验区上分层干式充填采矿进行回采,取得了好的效果

    As viewed form this, the panel upward horizontal cut-and dry filling method has been tried to use for this orebody mining, with a better results.

    youdao

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