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1982年9月15日至23日，地质矿产部在四川省一○七探矿工程队召开了“三车”（凿岩台车、牵引机车、梭式矿车）技术交流会。参加会议的有地质系统有关局、队、院校、科研单位以及水电、冶金、核工业部的代表共138人。会议主要内容是交流中深坑道中推广使用“三车”的经验；同时，还组织了有四川、甘肃、河南、辽宁、陕西、黑龙江六省七个机掘队代表参加的操作表演赛，全体与会代表参观评比。通过四天比
From September 15 to September 23, 1982, the Ministry of Geology and Mineral Resources held a seminar on “Three Vehicles” (Drilling Rig, Tractor Locomotive, Shuttle Car) in the 107 Exploration Engineering Team in Sichuan Province. A total of 138 representatives from related departments of the geological system, teams, institutions, scientific research institutes, and hydropower, metallurgy and nuclear industries attended the conference. The main content of the conference was to exchange experience in popularizing and using “three cars” in Shen-Hang Road; at the same time, there were organized operation and performance matches with representatives of seven machine-dig teams in Sichuan, Gansu, Henan, Liaoning, Shaanxi and Heilongjiang provinces. All the participants Delegates visit the competition. Through four days than