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urban flood intersecting ditch
释义
urban flood intersecting ditch
Encyclopedia
工学
河湖水系规划
释
urban flood intersecting ditch
城市截洪沟
为拦截排水地区上游高地的地表径流而修建的排水沟道。可以保护某一地区或某项工程免受外来地表水造成的渍涝、冲刷、淤积等危害。
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untranslated regions (UTR)
untuned
untuned aerial
untuned amplifier
untwining rope pulse
untwinned
untwisted affine Kac Moody algebra
untwisted affine Kac-Moody algebra
U Nu
UNU
Unuk al Hai
Unukalhai
U-numbers
ununiformity
ununited skull
Unurgunite
unusual number
unusual plant
unusual quantifiers
unvarying
unvoiced sound
unvoised sound
unvulcanized
unweighted
unweighted mean
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