Koerting ejectors for the aeration process. 科爾庭噴射泵曝氣工藝用。
Some researches and projects showed that aeration was an available way to dispel water blackening and stink and renew the ecological function of water bodies gradually. 實驗室和工程實踐證明，對河道進行曝氣充氧可以消除河道黑臭，使水體逐步恢復自然的生態功能。
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