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鼓风曝气系统设计规程
Design standard of aeration blowing system
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城市污水处理厂运行、维护及其安全技术规程
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城镇供水厂运行、维护及安全技术规程
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埋地给水排水玻璃纤维增强热固性树脂夹砂管管道工程施工及验收规程
Specification for construction and acceptation of water supply and severage engineering with underground glass fiber reinforced thermosetting resin mortar pipes
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生物接触氧化法设计规程(附条文说明)
Specification for designof bio -contact oxidation process
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埋地硬聚氯乙烯排水管道工程技术规程
Technical specification of buried PVC-U pipeline for sewer engineering
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锯齿取水头部设计规程
Specification for design of sawtooth intake
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寒冷地区污水活性污泥法处理设计规程
Specification for design of actived sludge treatment of waste water in cold regions
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