wastewater purifying 废水净化
purifying city wastewater 净化城市污水
organic wastewater purifying 有机废水净化
wastewater purifying efficiency 污水净化效果
Plant wastewater hydroponic purifying system 植物水培污水净化系统
The 2009 OCEA winner Orange County's Groundwater Replenishing System helped tackle the first part of that equation, increasing supply by purifying wastewater.
2009年度杰出土木工程成就奖得主，橘郡地下水补充系统解决了这个问题的前一部分，通过净化废水提高了供应量。
The flocculant produced by AY11 has an excellent effect in purifying and decoloring various kind of wastewater, such as urban living sewage, daily chemical plant wastewater and dye wastewater, etc.
AY 11所产絮凝剂对城市生活污水、日用化工厂废水、染料废水等多种废水均有很好的净化、脱色效果。
The technique of purifying and reusing floatation wastewater of a floatation mill in Nanjing was studied on the basis of early research.
本研究是在以前研究的基础上对南京某选厂浮选废水净化处理与回用工艺的补充试验研究。
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