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时间:1992年下半年。品名与价格: 铜、铝:价格高于上半年。需求有所改善,铜年增长率可达2%。开始出现复苏,下跌趋势出
Time: second half of 1992. Product Name and Price: Copper, Aluminum: Prices Higher than First Half. Demand has improved, with a copper growth rate of 2%. Recovery began, the downward trend out