污水工程 meaning in English

sewage works
sewerage

Sewerage means mainly the pipes or drains which carry sewage but can include all sewage collection, treatment and removal .
污水工程主要是指输送污水的管道或排水管，但它可以包括所有污水的收集、处理和清除。
Manhole covers for sewerage works
污水工程用人孔盖
More details on the schedules for implementing the sewerage projects for the area can be found in the tables below
有关污水工程的详细实施时间表，请参阅下表。
Ductile iron pipes , fittings , accessories and their joints for sewerage applications - requirements and test methods
污水工程用球墨铸铁管接头配件及其连接件.要求和试验方法
Photo of schedule for implementing village sewerage projects under the north district sewerage master plan and its review
北区污水收集整体计划及检讨计划的乡村污水工程实施时间表图片

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