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由济南铁路局科研所、北京128中学、长春客车工厂附属电器厂联合研制的ZW-11型客车轴温报警器,已于1987年11月6日通过局级技术鉴定。
The ZW-11 bus axle temperature alarm jointly developed by Jinan Railway Bureau Scientific Research Institute, Beijing 128 Middle School and Changchun Bus Factory affiliated electric appliance factory passed the bureau-level technical appraisal on November 6, 1987.