When the turbidity of the filtered water is controlled at 7 NTU and 0.1 NTU respectively, the residual aluminum in the filtered water can be controlled at 0.05 mg/L and 0. 02mg/L accordingly.是什么意思_When the turbidity of the filtered water is controlled at 7 NTU and 0.1 NTU respectively, the residual aluminum in the filtered water can be controlled at 0.05 mg/L and 0. 02mg/L accordingly.在线翻译_英语_读音_用法_例句