弹指一挥间 ,兰州石油机械研究所 (简称兰石所 )已经走过了 4 0年的风雨路程。 4 0年来 ,全所职工认真贯彻党的路线、方针、政策 ,艰辛创业 ,奋发向上 ,克服了种种困难 ,把兰石所建成了一个石油钻采机械、炼油化工设备、海洋石油设备与工程、沙漠石油设备、中小型炼油化工和天 Flickering, Lanzhou Institute of Petroleum Machinery (referred to as Lan Shi) has gone through 40 years of wind and rain distance. Over the past 40 years, the entire staff and workers have conscientiously implemented the party’s line, principles and policies, arduous and pioneering work, and worked hard to overcome difficulties. Lanzhou has built an oil drilling machine, oil refining and chemical equipment, offshore oil equipment and engineering, Desert oil equipment, small and medium-sized Refining and Chemical and days