RCCC(rotation-column-column-column) mechanism
a low stone wall built along the water's edge to protect an embankment
adjust the water-injection profile through chemica
along the water delivery from Luanhe
analyses of the water supply and demand
ancient towns in the water region
assured the public the water was not polluted
automatic inspection by the water immersion
Campaign for the Conservation of the Water’s Edge
CHARACTERISTICS OF THE WATER
chemical character of the water
city landscape along the water
close down the water source well
connection with the column of foundation and workshop
construction of the Water-saving Society
consumption of the water
cut off the water supply automatically
detector of height of the water-flowing fractured
detector of height of the water-flowing fractured zone