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设计洪水位与拦洪库容:水库遇到设计洪水时,在坝前达到的最高水位,称设计洪水位。设计洪水位至防洪限制水位之间的水库容积称为拦洪库容。校核洪水位与调洪库容:水库遇到校核洪水时,经水库调洪后,在坝前达到的最高水位,称校核洪水位。校核洪水位至防洪限制水位之间的水库容积称为调洪库容。它用以拦蓄洪水,在满足水库下游防洪要求
Design flood level and flood storage capacity: When the reservoir meets the design flood, the highest water level reached in front of the dam is called the design flood level. The reservoir volume between the design flood level and the flood control limit level is called the flood storage capacity. Check the flood level and flood control capacity: When reservoirs meet the check flood, after the reservoir flood control, the highest level reached in front of the dam, called the check flood level. The volume of reservoirs between the check flood level and the flood control limit level is called the flood control storage capacity. It is used to intercept floods, to meet flood control requirements downstream of reservoirs