The design method of irrigationpipe 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。
2
A mathematical model whose variable is water head can simulate the effects of water head and properties of subsurface irrigationpipe on irrigation.
以压力水头为因变量的数学模型可以模拟供水压力和灌水器特性对灌溉效果的影响。
3
Study on the basic seepage laws under different working heads, with zippered plastic pipes as percolation irrigationpipe embedded at different depths underground in the shelf.