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| Chinese | English |
| 从沉淀室排出的在养殖单元底部积累的固体物质和水的混合物。污水处理中：在大部分液体从污水中被除去后保留下来的泥泞、半固体沉淀物. | sludge |
| 轻液体分离器 | separator of light liquids A mechanical device for separating and removing residues from fuel and lubricating oil from waste water coming from filling stations and industrial plants in order to avoid pollution of water bodies; this system is based on the different specific weights of water and fuel residues that float on the water and can be easily removed (一种机械设备，用于从燃料中分离和去除残渣和从来自加油站和工厂的废水中去除润滑油，这是为了避免污染水体；该系统基于水的不同比重，浮在水上的燃料残渣可以容易地被去掉。) |