西安煤矿机械厂二车间的革命职工怀着为伟大领袖毛主席争光,为伟大的社会主义祖国争光的雄心壮志,经过一个多月的学习和摸索,熔制出一种镉铜材料,比较成功地代替了原来使用的紫铜,制造对焊机用的小导体,寿命比紫铜小导体提高近10倍,并提高了效率。 After more than a month of study and exploration, the revolutionary workers and staff of the second workshop of Xi’an Coal Mine Machinery Factory fused with the ambition of winning glory for the great socialist motherland for the great leader Chairman Mao and successfully melted a cadmium-copper material. Instead of the original use of copper, the manufacture of small conductors used in welding machines, life expectancy than copper small conductor nearly 10 times, and improve efficiency.