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low-pressurepipe irrigation
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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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self defocusing
self-defocusing
self-deicing pavement
self-describing sequenc
self-descriptive number
self-design theory
Self-destruction
self-determination
self-determination theory
self-determined admission examination
self-determinism theory
self development
self-diagnosis function
self-diffraction
self diffusion
self-diffusion
self diffusion coefficient
self-diffusion coefficient
self-directed search
self-discharge
Self-Discipline Convention of Chinese Press
Self-discipline Initiative of China Mobile Media
self-discipline of advertising industry
Self-discipline Pact on Blogosphere
Self-discipline Pact on China’s Internet Audio-Visual Program Services
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更新时间:2026/10/19 22:13:07