In the single item processing construction drawing design, is mainly completes the oxidation ditch horizontal plan and the sectional drawing.
单项处理构筑物施工图设计中，主要是完成氧化沟平面图和剖面图。
The method of oxidation ditch is a kind of typical craft in bio-chemical wastewater processing technique.
氧化沟方法是生化处理技术中的一种典型的废水处理工艺。
The method of oxidation ditch is a kind of typical craft in bio-chemical wastewater processing technique.
氧化沟方法是生化处理技术中的一种典型的废水处理工艺。
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