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1990～ 2 0 0 0年中国钢铁工业得到快速发展 ,钢产量从 6 6 35万ｔ增加到 12 85 0万ｔ,年均增长达6 83% ,中国钢产量占世界钢总产量的比重 ,由8 4 9%提高到 15 4 6 %。钢铁工业是高耗能行业 ,年耗能约占全国总能耗的 10 %。钢铁联合企业的能源费用占生产成本的比重高达 30 %?
From 1990 to 2000, China’s steel industry developed rapidly. Its steel output increased from 66.55 million tons to 125.5 million tons with an average annual growth rate of 6 83%. The proportion of China’s steel output in the world’s total steel output was from 8 4 9% to 15 4 6%. Iron and steel industry is a high-energy-consuming industry, annual energy consumption accounts for about 10% of the country’s total energy consumption. Iron and steel joint venture energy costs accounted for the proportion of production costs as high as 30%?