gravity irrigation system 自流灌溉系统
gravity irrigation systems 自压灌溉管道系统
gravity irrigation district 自流灌区
Yellow River gravity irrigation districts 黄河自流灌区
gravity sprinkler irrigation 自压喷灌技术
Gravity irrigation can increase fruit trees' production volume.
利用自流灌溉可提高果树的产量。
Through analyzing and calculating the potential for making use of rainwater, the method of designing the gravity irrigation system is presented.
通过对设施农业雨水资源化潜力的分析计算，探讨了设施农业雨水资源高效利用的自压灌溉系统设计方法。
The paper introduces the structure and the functions of each component of the sub-system of long-distance engineering analysis and decision in Nanyang gravity irrigation area.
简述了南阳自流灌区远程工程分析及决策子系统的结构及各组成部分的功能。
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