今年世界氧化铝供应将趋紧据国外工业分析家分析，１９９７年世界氧化铝市场供需基本平衡，略趋过剩，但１９９８年将可能供给短缺。据估计，１９９７年西方国家的氧化铝产量为３５００万ｔ左右，比上年的产量约高出１００万ｔ。但从全球来看，１９９８年世界氧化铝产量增... This year the world alumina supply will be tightened According to foreign industrial analysts analysis, in 1997 the world alumina market supply and demand basically balanced, a slight surplus, but in 1998 may supply shortages. It is estimated that the alumina output of western countries was about 35 million tons in 1997, about 1 million tons more than the previous year’s output. However, from a global perspective, the world’s alumina output increased in 1998 ...