遵照毛主席三项重要指示和“一切产品,不但求数量多,而且求质量好”的教导。在中央一系列文件的强劲东风推动下,在全国走访用户的基础上,根据用户要求,为了搞好“三包”(包用、包修、包换),西安仪表厂和陕西机械学院于1975年10月6日至24日在西安联合召开了显示仪表技术经验交流会议。参加这次会的有来自16个省市、63个厂家的87名代表。会议根据教育革命经验,采取了制造,使用和院校以及工人、技术人员和教师两个三结合 In accordance with Chairman Mao’s three important instructions and “all products, not only for quantity, but also for good quality” teaching. In the central government a series of documents under the impetus of the Dongfeng visit in the country based on the user, based on user requirements, in order to improve the “Three Guarantees” (including, repair, replacement), Xi’an Instrument Factory and Shaanxi Machinery Institute in 1975 October 6 to 24 in Xi’an held a joint exchange of technical experience show instrumentation. 87 delegates from 63 provinces and cities in 16 provinces and cities participated in the conference. Based on the experience of the educational revolution, the conference adopted a combination of manufacture, use and operation of institutions as well as workers, technicians and teachers