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砾石排水沟
meaning in Chinese
gravel drain
gravel-filled drain ditch
gravel-filled drain trench
Related Words
排水沟瘪
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
砾石排出孔
砾石排放孔
砾石片麻岩
砾石平原
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