二级处理的英文

secondary treatment

secondory treatment

• 二级:    two stage; two lev ...
• 处理:    deal or cope with
• 第二级处理:    secondary treatmen ...

例句与用法

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1. Sludge liquor is recirculated in the secondary system .
   污泥水回流到二级处理系统。
2. Sludge liquor is recirculated in the secondary system to assure its purity before discharge .
   该泥水回流到二级处理系统，以保证排放前的澄清度。
3. Treating combined sewage effluent from a secondary treatment plant, the process achieved 94.5% cadmium removal for the trace quantities present .
   用这种方法处理二级处理厂排出的综合下水，可除去水中含镉量的94.5。
4. Secondary treatment of sewage
   二级处理污水
5. Aerobic secondary treatment
   需氧二级处理