啤酒发酵过程中的溶解氧含量控制是影响啤酒代谢副产物的重要环节。
The control of dissolved oxygen content in beer fermentation is an important procedure influencing metabolic byproduct of beer.
污水处理过程中，接触氧化池的溶解氧含量控制效果直接影响到水处理的效率。
The dissolved oxygen content in the contact oxidation tank is the key factor of wastewater treatment.
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