DL/T 5113.1-2019 Hydropower and water conservancy capital construction project unit engineering quality grade assessment standard part 1: civil engineering (English Version)
2019DL/T 5113.1-2019 Hydropower and water conservancy capital construction project unit engineering quality grade assessment standard part 1: civil engineering
2005DL/T 5113.1-2005 Quality degree evaluate standard of unit engineering for hydro power and water conservancy construction engineering Part 1: Civil department