This paper expatiates on the principle of AB craft and the characteristics of A2O craft.
本文详细阐述了AB工艺的原理及a2o工艺的特点。
The paper introduces operation and existing problems before reformation of biochemical water treatment system of two 55 hole coke ovens with A2O method at New Iron-making Plant.
介绍A-A-O法在炼铁新厂两座55孔焦炉生化水处理系统改造前的运行状况和系统存在的问题，以及采用深度处理改造后的实施效果。
The paper introduces operation and existing problems before reformation of biochemical water treatment system of two 55 hole coke ovens with A2O method at New Iron-making Plant.
介绍A-A-O法在炼铁新厂两座55孔焦炉生化水处理系统改造前的运行状况和系统存在的问题，以及采用深度处理改造后的实施效果。
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