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贵阳电机厂,研制成功一种高扬程、小水流QY—50/2—4型潜水电泵,已通过了市级技术鉴定。鉴定会上专家们审查了由机械部喷灌机具试验研究中心所做的样机性能报告及有关技术资料,认为:QY—50型潜水电泵采用双级泵结构、各项技术指示均达到国际GB3216—82B级精度要求,其主要性能指标高于部标准和日本同类产品标准的规定值;同时还具有设计合理
Guiyang Motor Factory, successfully developed a high-lift, small flow QY-50 / 2-4 Submersible Pump, has passed the municipal technical appraisal. Experts at the appraisal meeting reviewed the prototype performance report and relevant technical data made by the Test and Research Center of Irrigation Machinery and Equipment of the Ministry of Mechanical Engineering and concluded that the QY-50 submersible pump adopts a two-stage pump structure and all the technical instructions have reached the international standard GB3216- 82B-level accuracy requirements, the main performance indicators higher than the Ministry of standards and similar products in Japan the provisions of the standard; also has a reasonable design