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能源问题,是制约我国国民经济发展和影响人民生活的一个重要因素。当前,国家对解决能源问题的方针是开发和节约并重,近期把节约能源放在优先的地位。泵是一种通用机械,广泛应用于国民经济的各个领域。在农业方面,机电排灌是通过消耗能源提水而取得效益的水利工程。据统计,全国现有机电排灌动力每年用电约120—150亿度,用油200万吨,
The issue of energy is an important factor that restricts the development of our national economy and affects people’s livelihood. At present, the country’s principle of resolving the energy issue is to develop and economize both. Recently, energy conservation should be given top priority. Pump is a universal machine, widely used in various fields of national economy. In agriculture, electromechanical irrigation and drainage is a water conservancy project that benefits from energy-saving water extraction. According to statistics, the current electricity and mechanical irrigation and drainage system in the country consumes about 120-150 billion kilowatt-hours a year and uses 2 million tons of oil,