国际市场废钢短缺到２０００年，世界废钢供求将短缺１．１５亿吨。根据钢材８～３０年的使用周期计算，废钢回收量将由１９９５年的１．７亿吨增加到２０１０年的２．４亿吨；而废钢的需求量届时将达３．５５亿吨。此外，世界钢产量增加很慢，将从１９９５年的１０亿吨增... Shortage of scrap on the international market by the year 2000, the world’s supply and demand of scrap will be short of 115 million tons. According to the utilization period of steel products in 8 to 30 years, the amount of scrap recovered will increase from 170 million tons in 1995 to 240 million tons in 2010, while the demand for scrap steel will reach 355 million tons by that time. In addition, the world steel output increased very slowly, from 1 billion tons in 1995 increased ...