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重点研究了活化污泥法强化一级处理对城市污水中重金属离子的去除效果。
The removal efficiency of heavy metal in city wastewater treated by activated sludge process was studied.
youdao
-
重点研究了活化污泥法强化一级处理对城市污水中重金属离子的去除效果。
The removal efficiency of heavy metal in city wastewater treated by activated sludge process was studied.
youdao