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low-pressurepipe irrigation
释义
low-pressurepipe irrigation
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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relative fit
relative fluctuation
relative fluctuation of density
relative focal length
relative frame of reference
relative frequence
relative frequency
relative Frobenius morphism
relative functor
relative geometry
relative gradient
relative gravity survey
relative group
relative growth
relative growth rate
relative homeomorphism
relative homological algebra
relative homology
relative homology group
relative homology theory
relative homotopy
relative homotopy group
relative homotopy set
relative humidity
relative humidity in China
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