OCO is a kind of new biochemical process. It has the function of nitrogen and phosphorus removals and realizes the automatic returns of nitric liquid, so it is economical of energy.
OCO是一种新型的生化反应器，具有较强的脱氮除磷功能，可实现硝态液的自动回流，节约能耗。
OCO is a kind of new biochemical process. It has the function of nitrogen and phosphorus removals and realizes the automatic returns of nitric liquid, so it is economical of energy.
OCO是一种新型的生化反应器，具有较强的脱氮除磷功能，可实现硝态液的自动回流，节约能耗。
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