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遵照伟大领袖毛主席关于“独立自主,自力更生”的方针,沈阳气体压缩机厂、沈阳轿车修配厂、沈阳水泵厂、沈阳新华熔接器厂、沈阳机车车辆厂、沈阳金属结构厂,沈阳市综合利用研究所、沈阳金属研究所等八个单位组成了三结合会战小组,试验液化石油气代替电石焊接黑色金属。经过两个多月的实践,并不断分析和总结,克服了各种困难,现已初步掌握了这项新技术,并应用于生产。可焊接0.8～2毫米冷轧、热轧、生锈的低碳钢板,3～5毫米厚的钢管和铸铁件的补焊。
Following the guideline of “great independence and self-reliance” by great leaders, Shenyang Gas Compressor Factory, Shenyang Auto Repair Factory, Shenyang Pump Factory, Shenyang Xinhua Welding Factory, Shenyang Rolling Stock Factory, Shenyang Metal Structure Factory and Shenyang Comprehensive Utilization Research By the Shenyang Institute of Metals and other eight units formed a three combined battle group to test liquefied petroleum gas instead of calcium carbide welding black metal. After more than two months of practice, and continue to analyze and summarize, to overcome all kinds of difficulties, is now an initial grasp of this new technology, and applied to the production. Weld 0.8 ~ 2 mm cold-rolled, hot-rolled, rusty low-carbon steel, 3 to 5 mm thick steel and cast iron welding.