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我国北方平原地区自60年代初开始群众性的机井建设,至今持续奋战了二十余年,取得了很大成绩。目前,机井已成为平原地带抗旱灌溉夺取粮棉丰收的重要水源。但是,随着机井的增多和形势的发展,机井建设出现了一些新情况、新问题。如近几年在井灌区出现的机井“多配套”型式就是突出的一个。所谓机井“多配套”型式就是指一眼机井配套2台以
Since the early 1960s, the construction of a large number of wells in the northern plains of our country has continued to strive for more than 20 years and great achievements have been made. At present, the shaft has become an important source of drought-resistant irrigation in the plains to seize the grain and cotton harvest. However, with the increase in the number of wells and the development of the situation, some new situations and new problems have emerged in the construction of the well. In recent years, wells in the well appeared in the well “multi-supporting” type is the outstanding one. The so-called wells “multi-supporting” type refers to a pair of wells supporting 2 sets