1972年下半年由二炼钢、二初轧、半连轧厂和中板厂组成一条龙攻关队,试验工作在第一工交组和各厂党委直接领导下,在北京钢院、钢研所等单位的共同努力下,积累了大批试验数据,取得了一定成绩。 The second half of 1972 by two steelmaking, two early rolling, semi-continuous rolling mill and plate factory composed of one-stop attack team, test work in the first Gongjiao group and the plant under the direct leadership of the party committee in Beijing Steel Institute, Institute of Steel With the joint efforts of other units, accumulated a large number of experimental data, and achieved some success.