oxidation ditch meaning in Chinese

氧化槽
氧化沟

The theory and design calculation of the carrousel oxidation ditch
氧化沟理论与设计计算
Specification for design of oxidation ditch
氧化沟设计规程
How to determine the denitrifying load in the calculation of the oxidation ditch
如何确定氧化沟计算中的脱氮负荷
Technical condition to rotor aerator with horizontal shaft used in oxidation ditch
氧化沟水平轴转刷曝气机技术条件
Treatment of papermaking wastewater by coagulationsedimentation - oxidation ditch process
卡鲁塞尔氧化沟处理造纸废水

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