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在全国科学大会胜利召开的大好形势下,一机部矿山重型机械局和冶金部科技办公室于1978年4月5日至10日在承德钢铁厂大庙铁矿联合召开了
Under the excellent situation of victory held by the National Science Conference, a mechanized mining machinery bureau and a metallurgical science and technology office of a mechanized ministry were jointly held at the Chengde Iron and Steel Mine in Daming, April 5 to April 5, 1978