tunnels for flood releasing and scouring sand
泄洪冲砂洞
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Leveling embankment for flood releasing
平垸行洪
tunnel for flood releasing and scouring sand
泄洪冲砂洞
jet flow gallery ventilation for tunnels with one inclined shaft and two parallel tubes
单斜井双正洞射流巷道式通风
artificial forestland for sand control
人工固沙林
coal pillar for sand proof
防砂煤柱
concrete without sand for underwater stracture
水下无砂混凝土
Countermeasure for flood control
防洪对策
dam for flood prevention
大坝渡汛
dam for sand collection
拦砂坝
Dredging for flood control
防洪疏浚
duster for sand treating
砂处理除尘器
enzyme for scouring
练漂
goods and materials for flood control
防汛物资
hydropower plant for flood prevention
自备防汛电厂
joint operation for flood control
联合防洪调度
landform classification map for flood prevention
泛滥地形分级图
metallic pattern for sand casting process
砂型铸造金属模具
method for sand liquefaction estimating
液化判别方法
option for flood control
防洪方案
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