The experiment results has shown that this is an economical filtrating unit operation with high aeration efficiency to remove Fe and Mn.
试验结果表明，地下水除铁除锰生物工艺具有经济、高效的曝气、过滤单元。
The experiment results has shown that this is an economical filtrating unit operation with high aeration efficiency to remove Fe and Mn.
试验结果表明，地下水除铁除锰生物工艺具有经济、高效的曝气、过滤单元。
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