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由水利电力部水利水电规划设计院主持召开的全国灌区灌溉排水渠系设计规范讨论会于1982年12月15日至24日在陕西省西安市召开。建国以来,我国灌溉事业有了很大发展,在约占全国耕地面积1/2的灌溉面积上,粮食产量占全国粮食总产量的2/3。为进一步提高灌区设计水平和灌溉经
The Symposium on the Design Code of Irrigation Drainage Canal Design of the National Irrigation District was held in Xi’an, Shaanxi Province from December 15 to January 24, 1982, under the chair of Water Resources and Hydropower Planning and Design Institute of the Ministry of Water Resources and Electric Power. Since the founding of the People’s Republic of China, great progress has been made in irrigation in our country. About half of the total irrigated area of cultivated land in the country is occupied by grain production accounting for 2/3 of the total grain output in the country. In order to further improve the design level of irrigation areas and irrigation