一、球铁的应用及其优点在毛主席无产阶级革命路线指引下,在厂党委的领导下,我厂第一分厂广大革命职工遵照毛主席关于“打破洋框框,走自己工业发展道路”的教导,经过多次试验和反复实践,从1970年起,先后将稀土镁球铁应用于辽宁一号四吨载重汽车的曲轴、后桥壳、减速器外壳、转向蜗杆箱壳、制动蹄片、轴承座、车门合页等十一种毒件。最近又正在试制辽宁一号载重 I. Application of Ductile Iron and Its Advantages Under the guidance of Chairman Mao’s proletarian revolutionary line and under the leadership of the Party Committee of Chairman Mao Zedong, the vast majority of revolutionary workers in the first branch of our factory comply with Chairman Mao’s policy of “breaking the boundaries of the foreign trade and taking the road of industrial development” After many tests and repeated practice, since 1970, has the rare earth magnesium nodules used in Liaoning four-ton truck crankshaft, rear axle housing, reducer housing, steering worm housing, brake shoe Film, housings, door hinge eleven kinds of poison. Recently, it is trial Liaoning load