... 地表排水 surface-drainage 地下排水 subsurface-drainage 小排放量的河槽 low-capacity-disposal channel ...
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subsurface drainage 地下排水 ; 地丁排水 ; 地下水系 ; 浅地表排水
subsurface drainage materials 地下排水材料
Subsurface drainage system 地下排水系统
modulus of subsurface drainage 排渍模数
subsurface drainage check 地下排水节制闸
interflow subsurface drainage 地下径流
subsurface drainage west bank 地丁排水
Subsurface pipe drainage in drought-prone region is superior to surface drainage in draining off water and salt, controlling ground water-level, and increasing crop output, etc.
以明沟排水为对照，论述了内陆干旱重盐碱区暗管排水在排水排盐、控制地下水位、提高土壤脱盐效果及提高作物产量等方面的优越性。
However, when irrigation application decreased by 25% the salt accumulation in root zone will not be obvious and the subsurface drainage flow will decrease by 31.4%.
现状灌溉用水量减少25%时，作物根区没有产生明显的积盐，地下排水量减少31.4%。
Both the surface drainage and subsurface fault-block oil reservoirs in Subei (northern Jiangsu) oilfield are very complicated.
江苏油田地表水系发达，地下断块油藏错综复杂，属于典型的断块小油气藏发育区。
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