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5年间得到稳步发展的日本经济,于1991年年中开始急剧地衰退,私营的工厂和设备投资削减,个人消耗削减。对钢铁的需求,特别是建筑业和汽车工业对钢铁的需求也减少了,这样的形势迫使钢铁企业调整他们的产品目录。结果,1991年粗钢产最低于前一年的水平,下降到109Mt。部分是由于在经济发展时期,产量和管理费用的逐步提高,1991年度炼钢厂的经济效益明显地滑坡,然而,用于研究和开发的费用却有所上升。表1～表6为日本钢铁工业的最新统计。
The Japanese economy, which enjoyed steady growth in the past five years, began a sharp decline in mid-1991, with a reduction in private-owned factories and equipment investment and a reduction in personal consumption. The demand for steel, especially for the construction and automotive industries, has also been reduced, a situation that forces steelmakers to adjust their product catalogs. As a result, crude steel production in 1991 dropped from the previous year’s level to 109 Mt. In part because of the gradual increase in production and management costs during the period of economic development, the economic benefits of steel mills in 1991 have obviously declined. However, the costs for research and development have risen. Table 1 ~ Table 6 for the latest statistics of Japan’s steel industry.