surface pipe irrigation method 表面管灌溉法 ; 地面水管灌溉法
pipe irrigation plant 管路灌溉设施
portable-pipe irrigation 移动式水管灌溉
An automatic topdressing system was designed on the base of the principle of hydrokinetics using energy of static pressure for pipe irrigation and the feature of Venturi pipe in solar greenhouse.
依据流体动力学原理，利用日光温室管网灌溉的静压能和文丘里管的特性，设计出在日光温室正常灌溉情况下的自动施肥系统。
The design method of irrigation pipe flow meter is presented and high precise sensor is chosen.
给出智能灌溉管道流量计的设计方法，以及高精度传感器的选择。
Deep pipe irrigation can be especially useful on slopes and in crusty soils where surface applied water will run off.
深度管道灌溉在斜坡和硬质土壤环境中非常适用，因为在那些地方地表灌溉浪费水资源。
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