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4月7～10日,冶金工业部在南芬铁矿召开会议,对冶金部安全技术研究所与吉林冶金电机修造厂共同研制的DP-2型工频电力二次破矿车进行鉴定。出席会议的有全国各有关高等院校、科研、设计、厂矿企业等28个单位的50余名代表。经过会议介绍、现场参观和实地测试,与会代表一致认为:DP-2型工频电力破矿车性能良好,设计参数合理,操作维护方
From April 7 to April 10, the Ministry of Metallurgical Industry held a meeting at Nanfen Iron Ore to identify the DP-2 power frequency electric power secondary demolition mining car jointly developed by the Institute of Safety Technology of Ministry of Metallurgy and Jilin Metallurgical Machinery Repair Factory. Attending the meeting were all over 50 delegates from 28 units including institutions of higher learning, scientific research, design, factories and mines. After the meeting introduction, site visits and field tests, the delegates agreed that: DP-2 power frequency electric mining truck performance is good, the design parameters are reasonable, the operation and maintenance side