form of the water resources
sustainable management of the water resources
Sustainable Utilization of the Water Resources
the water resources guaranteeing measure
the water resources load capacity
the water resources tourism
The water resources underground
along the water delivery from Luanhe
analyses of the water supply and demand
areas along the Changjiang River in Anhui Province
Areas off the Changjiang (Yangtze) Estuary
Areas off the Changjiang Yangtze Estuary
automatic inspection by the water immersion
close down the water source well
cut off the water supply automatically
differentiation of the water sources
direction of the surveying line
economize the resources