This dictionary contains more than 60,000 glossary of Hydraulic and Hydroelectric Technology, which including water resource, control flood, river sand, water survey, engineering and water geologic, water planning, water building, irrigation and drain, water power, hydraulic and hydroelectric construction, hydraulic management, hydraulic economic, hydraulic environment, hydraulic, geotechnical dynamics, engineering dynamics, building material, hydraulic machinery, metal structure, navigate engineering, remote sensing technology, computer technology, automatism control, etc.