我国社会主义经济发展的关键环节是能源和交通,石油和天然气的管道输送恰恰是这两个关键环节的纽带。我国油气管道经过了近四十年的发展,已经纵横万里,“钢铁油龙”成了国民经济真正的“地下大动脉”。面临当前石油工业发展的新时期,东部油区输油干线切盼更新改造,中部和西部新油气区的 The key link in China’s socialist economic development is energy and transportation. The pipeline transportation of oil and natural gas is exactly the link between these two key links. After nearly 40 years of development, China’s oil and gas pipelines have reached a thousand miles. “Steel Oil Dragon” has become the real “underground artery” of the national economy. Faced with the current development of the oil industry in the new era, the eastern oil pipeline is looking forward to reform and reconstruction, the central and western new oil and gas areas