柯林斯词典sedimentation tank 1. N a tank into which sewage is passed to allow suspended solid matter to separate out 沉淀池 返回 sedimentation tank剑桥词典a large container in which dirty or waste water is stored until all the solid material in it falls to the bottom and the water can be released for further treatment 沉淀池；沉积槽（一种大容器，其中贮存脏水或废水，直到水中所有固体物质沉淀到底部，水可放出供进一步处理） 返回 sedimentation tank