Pakistan is quickly shifting from flat planting toward planting on furrow-beds to save irrigation water.
巴基斯坦正迅速由平地种植转向沟床种植以节约灌溉用水。
Second, both counties have flat terrain and abundant water irrigation, which is beneficial to the expansion of cultivated area.
其次，两地的地形平坦，并且水利灌溉资源丰富，有利于耕种面积的扩大。
Analysis on Flow Characteristic of Flat-Walled Diffusers applied in Valveless Piezoelectric Pumps [J]. Journal of Drainage and Irrigation Machinery Engin, 0, : 7 -.
无阀压电泵用平面锥管内部流动特性分析[J]。排灌机械工程学报，0，：7-。
Analysis on Flow Characteristic of Flat-Walled Diffusers applied in Valveless Piezoelectric Pumps [J]. Journal of Drainage and Irrigation Machinery Engin, 0, : 7 -.
无阀压电泵用平面锥管内部流动特性分析[J]。排灌机械工程学报，0，：7-。
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