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设计洪水地区组成是水利水电工程规划设计中的一个重要研究课题。
The design flood region composition is an important subject of hydroelectric project planning and design.
youdao
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设计洪水地区组成是水利水电工程规划设计中的一个重要研究课题。
The design flood region composition is an important subject of hydroelectric project planning and design.
youdao