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1974年3月5日至3月19日,一机、燃化两部主管部门在上海市召开了直径3米的岩巷联合掘进机组方案审查会。中国科学院,上海市科技组,机电一局,重机公司,铁道兵、工程兵部队,清华大学,一机、燃化等有关主管部门与所属厂、矿、院、所、施工现场等40个单位共91名代表参加了这次会议。
From March 5, 1974 to March 19, 1974, a machine and two departments responsible for flammability convened a three-meter-diameter rock tunnel joint boring machine program review meeting in Shanghai. Chinese Academy of Sciences, Shanghai Municipal Science and Technology Section, Electrical and Mechanical Services Bureau, Heavy Machinery Company, Railway Corps, Engineering Corps, Tsinghua University, One Machine, Combustion, and other relevant competent authorities and their factories, mines, hospitals, institutions, construction sites and other 40 units A total of 91 representatives attended the conference.