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77年9月7日-9月9日,由一机部机械院农机所、山西省农机所、江苏省农机所主持,组织了对喷头“三化”的几个技术文件、型谱、试验方法的讨论。参加讨论的有中国农科院灌溉研究所等十几个单位。参加全国摇臂式喷头系列联合设计组的同志。同志们认真地展开了热烈和深入的讨论。并作了进一步完善和修改工作。
From September 7 to September 9, 77, a number of technical documents, type spectrums and tests on the “three changes” of spray heads were organized by the Agricultural Machinery Office of Machinery Department of a Machinery Department, Agricultural Machinery Institute of Shanxi Province and Agricultural Machinery Institute of Jiangsu Province. Discussion of the method. Participate in the discussion of the Chinese Academy of Agricultural Sciences Institute of irrigation more than a dozen units. Participate in the national rocker nozzle series joint design team comrades. Comrades have launched a lively and in-depth discussion seriously. And made further improvements and modifications.