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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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left group
left G-set
left Haar measure
left Haar module
left half-plane
left half-tangent
left-hand
left-hand cancellation
lefthand circularly polarized light
left-hand circular polarization
left-hand derivative
left-hand differentiability
left-hand disguised handwriting
left-handed
left-handed circular polarization
left-handed circular polarized wave
left-handed co-ordinate system
left-handed coordinate system
left-handed crystal
left-handed current
left-handed curve
left handed elliptically polarization
left-handed elliptically polarization
left handed elliptically polarized light
left-handed elliptically polarized light
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更新时间:2026/9/21 22:02:48