钢铁工业是国民经济最重要的原材料工业部门之一。钢铁工业生产是消耗大量原料(铁矿石,以及辅助原材料石灰石、白云石、耐火粘土、菱镁矿、莹石、硅石、锰、铬等)和燃料动力的过程,并产生大量的运输货流。钢铁工业布局对原料、燃料的依赖性很大,而这种依赖性是通过运输工作量和运输费用表现出来的。 建国以来,国家十分重视钢铁工业的发展。1986年钢产量超过了5000万t,成为世界少数 The steel industry is one of the most important raw materials industries in the national economy. Iron and steel production is a process that consumes a large amount of raw materials (iron ore, as well as auxiliary raw materials such as limestone, dolomite, refractory clay, magnesite, fluorite, silica, manganese, chromium, etc.) and fuel power, . The layout of the steel industry relies heavily on raw materials and fuels, and this dependence is manifested by the amount of shipping and shipping costs. Since the founding of New China, the state attaches great importance to the development of the steel industry. In 1986, the steel output exceeded 50 million tons and became the world’s minority