Some factors were compared between sprinkler system and improved surface irrigation methods.
对喷灌系统与改进的地面灌溉方法进行了多种因素比较。
Water resources systems of irrigation district are composed with surface water system and groundwater system.
灌区水资源系统由地表水系统与地下水系统构成。
Water resources systems of irrigation district are composed with surface water system and groundwater system.
灌区水资源系统由地表水系统与地下水系统构成。
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