afforestation and water conservancy
agricultural water conservancy
agricultural water conservancy project
Anhui Investigation Design and Research Institute of Water Conservancy and Electric Power
automation of water conservancy
automation system of water conservancy
automatization of water conservancy
Baiyin Prospecting and Designing Institute of Water Conservancy
Beijing Technique School Of Water Conservancy And Hydropower
Branch Institute of investigation and design of water conservancy and hydropower in Anhui
Bureau of Water Conservancy And Power of Guizhou Province
Bureau of Water Conservancy of Dongchun
Changzhou Water Conservancy Project
China Institute of Water Conservancy and Hydropower Research
Chinese 10th construction bureau of water conservancy and hydropower engineering
city water conservancy works
College of Environment and Water Conservancy of Zhengzhou University
concrete for water conservancy use