graded crushed rock 级配碎石
cemnt treated crushed rock 水泥胶结的破碎岩石
closed crushed-rock layer 封闭块碎石层
lime-fly ash graded crushed rock 二灰级配碎石
crushed-rock berm 片碎石护坡
This machine grinds out the crushed rock ready for road building.
这台机器碾碎用来筑路的石头。
The slag heaps hold massive dumps of crushed rock discarded after gold extraction.
矿渣堆由金矿挖掘后遗留下来的大量碎石所组成。
A black bituminous material used for paving roads or other areas; usually spread over crushed rock.
用来铺块石面路或其他区域的黑色含沥青的材料;通常覆盖在压碎的石头上。
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