我国是煤炭生产大国和消费大国,被誉为工业粮食的煤炭每天源源不断地流向电力、冶金、化工等领域,为国民经济持续高速发展提供能源支撑。由于我国煤炭资源主要集中在山西、陕西、内蒙等中西部地区,需求大多在经济发达的沿海地区,这决定了我国“西煤东运” China is a big producer of coal and a big consumer of power. Coal, which is honored as industrial grain, flows continuously into electric power, metallurgy and chemical industries day by day, providing energy support for the sustained rapid development of the national economy. Since China’s coal resources are mainly concentrated in the central and western regions of Shanxi, Shaanxi and Inner Mongolia, the demand is mostly in economically developed coastal areas, which determines China’s “western coal east transportation”