遵照伟大领袖毛主席关于“备战、备荒、为人民”和“我们六亿人口都要实行增产节约,反对铺张浪费”的伟大教导,结合我厂生产的液力传动内燃机车的高速大功率柴油机体、缸头、液力交热箱体等铸铁及合金铸铁件,在机加工前或后部分零件发现局部气孔、砂眼、裂纹等铸造缺陷,采用铸铁冷焊方法,加以修复使用,收到较好效果,为国家节约了更多的资金、人力和物力。 Following the great teachings of Chairman Mao on the principle of “preparing for war, preparing for famine, for the people,” and “increasing the population and saving our population of 600 million, and spreading extravagance and waste,” combined with the high-speed and high-power diesel engine body of the hydraulically driven diesel locomotive manufactured by our factory , Cylinder head, hydraulic hot box and other cast iron and alloy cast iron parts, found in the machined parts before or after the local pores, trachoma, cracks and other casting defects, the use of cast iron cold welding methods, to be repaired to use, received better Effect, saving more money, manpower and material resources for the country.