一、20世纪是钢铁工业大发展的世纪1.20世纪钢铁工业产量大幅度增长。20世纪,钢铁工业得到空前的发展。1900年,世界钢产量为2850万吨,到1973年世界钢产量就超过了7亿吨,1997年则达到了7.99亿吨。预计到2000年,全世界钢产量可能超过8亿吨,约为1900年产量的 First, the 20th century is a century of great development of the iron and steel industry 1.20 century steel production increased significantly. The 20th century, the steel industry has been an unprecedented development. In 1900, the world’s steel production was 28.5 million tons. By 1973, world steel production exceeded 700 million tons and in 1997 it reached 799 million tons. It is estimated that by the year 2000, the world’s steel production may exceed 800 million tons, about 1900 tons of output