工程废水 meaning in Chinese

construction waste water

Plumbing and drainage team : specialized in design of water supply city water , di water , cooling water , etc
给排水设计组：给水工程自来水纯水冷却水等排水工程废水处理工程室外给水排水工程及消防给水工程。
Mechanical , light industry commercial electrical appliances and daily mechanical , communication and information special field , environmental engineering air emission , noise
机械轻工家电及日用机械通信信息专项环境工程废水噪声：规划咨询编建议书编可研招标咨询