Pump water spring, the rural life of the main drainage and irrigation machinery summer.
水泵是农村生活用水和春种夏播的主要排灌机械。
Draining and irrigating machinery refers to various kinds of drainage and irrigation machinery and equipment for agriculture and animal husbandry.
排灌机械是指用于农牧业排水、灌溉的各种机械设备。
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-。
In agricultural production, pump irrigation and drainage are the main machinery.
在农业生产中，泵是主要的排灌机械。
In agricultural production, pump irrigation and drainage are the main machinery.
在农业生产中，泵是主要的排灌机械。
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