Flush and drain system and install orifice plates.
冲洗并放净管道系统，然后安装孔板。
Some problems of the city drainage engineering construction are discussed from the urban drain system planning for the new district in the west of Qinhuai River in Nanjing.
由南京河西新城区水系规划反思以往城市排水工程建设中存在的问题。
Condensate as well as the wash water for the GGH is drained through the corresponding drain system into the absorber pit.
凝结水通常为烟气换热器的冲洗水，它们被烟道疏水系统排至吸收塔排水坑。
Condensate as well as the wash water for the GGH is drained through the corresponding drain system into the absorber pit.
凝结水通常为烟气换热器的冲洗水，它们被烟道疏水系统排至吸收塔排水坑。
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