flood control storage [水利] 防洪库容 ; 调洪库容
design flood-control storage 设计防洪库容
Reservoirs should keep adequate storage capacity for flood control according to the requirements of flood control planning.
水库应当按照防洪规划的要求留足防洪库容。
When the dead storage capacity of the Xiaolangdi Reservoir is filled up, the storage capacity for flood control need to be cooperated with the Sanmenxia Reservoir will be bigger.
小浪底水库死库容淤积完后，需要三门峡水库配合运用的防洪库容将更大。
When the flood storage is large, the risk loss with control measures is obviously smaller than that without control measures.
当蓄洪量较大时，有控险措施的泡沼蓄洪风险损失明显小于无控险措施的泡沼蓄洪风险损失。
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