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低压管道输水灌溉
释义
低压管道输水灌溉
Encyclopedia
农学
农业水土工程
释
low-pressurepipe irrigation
低压管道输水灌溉
利用高位水源和缓坡地形落差所提供的自然压力水头或利用低扬程机泵将灌溉水加压(一般压力≤30千帕),再通过低压管道把低压灌溉水输送到田间地头(低压输水管网的最末一级管道出水口工作压力水头一般只需3千帕左右即可),然后利用配套的给水栓进行沟灌或小畦灌的灌溉系统。
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quasi-bound state
quasi-bronze porcelain jar with two lugs
quasi-center
quasi-centered affine mapping
quasi-centralizer
quasi-character
quasi-chemical approximation
quasi chemical equilibrium of defects
quasi-chemical equilibrium of defects
quasicircle
quasi classical approximation
quasi-classical approximation
quasiclassical trajectory(QCT) method
quasi - clean walkways
quasi-closed group
quasi-coherent
quasi-coherent module
quasi-coherent sheaf
quasicoherent sheaf
quasi-commutative
quasicompact
quasicompact affine scheme
quasicompact morphism
quasicompactness
quasicompact set
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