mechanized top-caving mining

 
  • 綜放開(kāi)采

mechanized top-caving mining的用法和樣例:

例句

  1. With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining.
    摘要隨著(zhù)煤礦開(kāi)采深度增加,綜放開(kāi)采回采巷道易發(fā)生沖擊地壓危害。

mechanized top-caving mining的相關(guān)資料:

臨近單詞

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