water supply and drainage works

• 给排水工程

water supply and drainage works的用法和样例：

例句

1. Architecture electrotechnician is a basic important technical technical course for the undergraduates majoring in water supply and drainage system.
   建筑电工是给水排水工程专业的一门实践性较强的专业基础课。
2. Preliminary approach to environmental risk assessment of drainage projects during ollfield exploitation in Dnqing.
   大庆地区油田开发排水工程环境风险评价初探。