塔里木河下游自2000年第一次应急输水以来,七年间共进行了七次应急输水,总输水量达到20。
From the first emergency water transfer in 2000, the lower reaches of the Tarim River, has carried on seven times during the seven years and the total water transfer quantity achieved 2.
这些地区由于地势低洼,提水扬程不高,但农田灌溉或排涝的输水量相称大,应该采用“低扬程、大流量”性能特点的轴流泵。
Because of these low-lying areas water lift is not high but the irrigation or drainage water a considerable loser should adopt a "low-head large flow" performance characteristics of axial flow pump.
根据输水过程中有关水文要素的监测资料,分析了地下水、土壤水的变化,在水量平衡分析的基础上开展了“四水”转化的研究。
It analyzes the variations of groundwater and hygroscopic water based on the monitored data of hydrologic elements during delivery and conducts the study of conversion based on water balance analysis.
渠系输水损失占渠首总引水量的50%,渠道防渗是我国目前应用最广泛的节水工程技术。
Water losses in irrigation canal systems are about 50 percent, and canal anti-seepage as an engineering technique of water saving irrigation is widely used in China nowadays.
为渠道理论输水损失水量计算提供了土壤透水性单元聚类图、模式样本及入渗总水量的模式样本的数学模型。
It supplied the soil permeability unit grouping figure, sampling pattern and mathematical model of sampling pattern of total infi...
为渠道理论输水损失水量计算提供了土壤透水性单元聚类图、模式样本及入渗总水量的模式样本的数学模型。
It supplied the soil permeability unit grouping figure, sampling pattern and mathematical model of sampling pattern of total infiltration qua...
为渠道理论输水损失水量计算提供了土壤透水性单元聚类图、模式样本及入渗总水量的模式样本的数学模型。
It supplied the soil permeability unit grouping figure, sampling pattern and mathematical model of sampling pattern of total infiltration qua...
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