1987年铝市场的特点是需大于供。最活跃的需求市场是建筑业、运输业、机械制造业和大宗日用必需品生产用铝。因此,1987年铝的发出量(内部消费和出口的总和)比1986年增加了5.5％,超过7.3百万吨。比如1987年美国使用了740亿个饮料罐(1986年为690亿个)估计1988年这一数字将增加到790亿个。然而,由于单耗降 The 1987 aluminum market is characterized by more than supply. The most active demand markets are construction, transportation, machinery manufacturing and bulk aluminum production. As a result, the amount of aluminum emitted in 1987 (the sum of domestic consumption and exports) increased by 5.5% over 1986 to more than 7.3 million tonnes. For example, in 1987, the United States used 74 billion beverage cans (69 billion in 1986) and estimated that in 1988 this number will increase to 79 billion. However, due to single consumption