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今天,钢铁已深入到人类社会的方方面面。飞驰在广袤大地上的汽车和火车、航行在浩瀚海洋中的轮船、翱翔在广阔蓝天上的飞机、奔向茫茫太空的宇宙飞船,公路、桥梁、铁路、住房、家电,等等,统统都离不开钢铁。大家都知道,钢铁是以铁矿石为原料冶炼而成的,富铁矿石是冶炼钢铁的上等原料。2005年~2012年我国钢铁大发展期间,我国从澳大利亚和巴西等国进口了大量的富铁矿石,导致国际富铁矿石供不应求,价格飞涨了好多倍。有人估算,这几年间单
Today, steel has penetrated into all aspects of human society. Flying in the vast land of cars and trains, sailing ships in the vast ocean, flying in the vast blue sky of the aircraft, toward space-bound spacecraft, roads, bridges, railways, housing, appliances, etc., all from Do not open the steel. As we all know, steel is made from iron ore smelting and iron ore is the finest raw material for smelting steel. From 2005 to 2012, during the great development of China’s steel industry, China imported a large amount of iron-rich ore from Australia and Brazil, resulting in the supply of international iron ore in short supply and the price soaring by many times. Some people estimate that in recent years alone