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    backfill

    详细解释:vt. 装填, 回填
    n. 装填, 回填

    详细解释:


    back.fill

    n.(名词)
    Material used to refill an excavated area.
    回填料:用来重新填满被挖区域的材料
    v.tr.(及物动词)
    back.filled,back.fill.ing,back.fills
    To refill (an excavated area) with such material.
    回填,重新填满:用回填料等材料重新填满(被挖区域)