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(一)概况咸阳市位于我省关中腹地,耕地面积830余万亩,总有效灌溉面积381万亩。到1985年底,全市共有农用配套机井20859眼,装机容量20.35万瓩,井灌面积161万亩,占全市总有效灌溉面积的43%,其中纯井灌面积43万亩.机井在全市各种水利设施中占有较大比重.它对改善农业生产条件,保证粮食和经济作物持续增产,改善农村人民生活条件,促进农村经济发展起到了一定的作用。但是,在机井建设与管理工作中,也存在不少问题,如部分机井结构及配套不合理,井、泵质量差,设备老化,出水量逐年
(I) Overview Xianyang City, located in the hinterland of Guanzhong, arable land more than 830 mu, the total effective irrigation area of 381 mu. By the end of 1985, there were 20,859 agricultural supporting wells in the city with an installed capacity of 203,500 tons and an area of 1.61 million hectares of irrigated land, accounting for 43% of the total effective irrigated area of the city, of which 433,000 mu of pure well were irrigated. Occupying a larger proportion, which has played a certain role in improving conditions for agricultural production, ensuring a steady increase in grain and cash crops, improving living conditions for rural people and promoting rural economic development. However, in the construction and management of the well, there are also many problems, such as part of the well structure and ancillary unreasonable wells, poor pump quality, equipment aging, the amount of water year after year