Leveling embankment for flood releasing
tunnel for flood releasing and scouring sand
jet flow gallery ventilation for tunnels with one inclined shaft and two parallel tubes
artificial forestland for sand control
coal pillar for sand proof
concrete without sand for underwater stracture
Countermeasure for flood control
dam for flood prevention
dam for sand collection
Dredging for flood control
duster for sand treating
goods and materials for flood control
hydropower plant for flood prevention
joint operation for flood control
landform classification map for flood prevention
metallic pattern for sand casting process
method for sand liquefaction estimating
option for flood control