同义词
1)Imhoff tank,双层沉淀池2)Two-story horizontal sedimentation tank,双层平流沉淀池3)two-level flocculation and sedimentation basin,双层絮凝沉淀池4)shallow tray settling basin,浅层沉淀池5)emscher tank,双层沉淀槽6)under-and-over flocculation and sedi mentation basin,由底上翻(双层)絮凝沉淀池
