slightly polluted raw water
常见例句
- It is suggested that activated carbon filtration is employed when raw water is polluted slightly.
认为现阶段在原水轻度污染时，可单独采用活性炭过滤工艺； - The slightly polluted raw water in Yao river was treated separately by the bio-contact oxidation process and the conventional water purification process.
采用生物接触氧化净水工艺和传统净水工艺处理姚江微污染原水。 返回 slightly polluted raw water