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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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ascending
ascending and descending,floating and sinking
ascending branch
ascending central series
ascending chain
ascending chain condition
ascending chain condition for left ideals
ascending development method
ascending difference
ascending earth station
ascending factorial
ascending ideal series
ascending induction
ascending node
ascending normal series
ascending order
ascending order of powers
ascending phase
ascending powers
ascending power series
ascending reticular activation
ascending sequence
ascending series
ascending the clear and descending the turbid
ascending water electrode
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