... primary sewage treatment 一级污水处理 primary wastewater treatment 废水初步处理 ; 废水一级处理 primary treatment of wastes 污水初步处理 ...
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但大多数废水都是经过初步处理后通过一个单独的配送系统送到新加坡的各工厂和电厂，然后(根据各自需要)再进行相应处理。
But most of the treated water is fed back, via a separate distribution system, to Singapore's factories and power plants-and then treated again.
本文报道糖厂酒精车间发酵废水的一种新处理法及其应用的初步研究结果。
This paper reports the new treatment and application of wastewater from fermented liquor of molasses for alcohol.
选用好氧和厌氧生物处理的方法对奥里油废水进行了初步试验研究。
The wastewater was treated by the processes of aerobic and anaerobic biological treatment.
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