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砾石采掘场
meaning in Chinese
a gravel pit ie from which gravel is dug
Related Words
煤炭采掘工具用硬质合金制品
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
砾石部分
砾石采掘
砾石层
砾石层屏蔽
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