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Sludge Recirculation Clarifier Solid Contact Sedimentation Tank. Green dirty water. Wastewater treatment plant. Wastewater treatment is a process used to convert dirty wastewater into an effluent.

视  频 ID：  19145611
版      权：  Cylonphoto
视频长度：  0:18
横纵比率：  16:9
所属分类：  科技 工业 
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