LCA system which is suitable to evaluate the municipal wastewater treatment work is discussed on the basis of the traditional LCA in this paper.
本文在传统生命周期评价方法的基础上，研究了一套适用于城市污水处理厂的生命周期评价体系。
Diffused aeration system is one of the most important facilities in municipal wastewater treatment plants.
鼓风曝气系统是城市污水处理厂重要设施。
It is urgent to perfect sewage pipeline system and to build municipal wastewater treatment plants. Oxidation ditch process is the first choice of possible ways.
认为在三峡库区区县完善排水管网系统和建设城市污水处理厂迫在眉睫，氧化沟工艺不失为三峡库区区县污水处理工程的首选工艺。
An automatic control system for one municipal wastewater treatment plant is selected, designed and discussed. The results indicate that PLC control system is the best choice.
通过一个城市污水处理厂自动控制系统的选取与设汁过程作为实例，说明了可编程逻辑控制器(PLC)自动控制方案是当今城市污水处理厂的最佳选择。
An automatic control system for one municipal wastewater treatment plant is selected, designed and discussed. The results indicate that PLC control system is the best choice.
通过一个城市污水处理厂自动控制系统的选取与设汁过程作为实例，说明了可编程逻辑控制器(PLC)自动控制方案是当今城市污水处理厂的最佳选择。
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