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...
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