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砾石坑
meaning in English
gravel pit
Related Words
胶结砾石
砾石定向
粘土砾石
砾石群落
次生砾石
砾石崖
河滩砾石
砾石路
砾石骨架
砾石采掘
砾石夹砂粘结层
砾石颗料排列
砾石孔隙通道
砾石栏截坑
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