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淮河防洪
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淮河防洪
Encyclopedia
工学
〔主要江河防洪〕
释
flood control of Huaihe River
淮河防洪
淮河流域地处南北气候过渡带,洪水灾害频繁。流域性大洪水,常常是干支流洪水遭遇,平原区洪涝并发。其防洪的重点是中下游广大平原区,有淮北平原、里下河、南四湖和沂沭河下游地区。这些地区保护的人口多达4000万~5000万人,保护的农田都在270万~350万公顷。
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South Orkney Islands
South Pacific Commission
South Pacific Nuclear free Zone Treaty
South Palace Restoration
South Park
south point
south polar distance
South Polar Group
South Pole
south pole
South Pole-Aitken Basin
South Pole Telescope
Southport
south preceding star
South Prefecture
South Qi, North Ma, outside Shanhaiguan pass Tang
South Reviews
South Sandwich Islands
South Sandwich Trench
South Sea bubble
South Shetland Islands
South Shetland islands
South Shields
South Song Ancient Ship Site at Heyilu of Ningbo
South-South Cooperation
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