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制 造 工 艺1.空气压缩机储气罐自动焊机………………………………兰州黄河冶金设备修造厂 第l用!一歹2.金属纤维塑料复合材料活塞环试验……………………………………石家庄化肥厂 第l躬6一83.长光栅数字显示装置在立车上的应用…………………………北京第一通用机械厂 第豆用
Manufacturing process 1. Air compressor gas tank automatic welder .................................... Lanzhou Yellow River metallurgical equipment repair plant l with! A bad 2. Metal fiber plastic composite piston ring test ......... ................................. Shijiazhuang Chemical Fertilizer Plant l bow bow a 83. Long grating digital display device in the vertical car .............................. Beijing First General Machinery Plant beans use