李玉胜也预测，今年国内的铜价将从去年的每吨平均60 000元下降到50 000元左右。
Meanwhile, Li said, domestic copper prices would tumble to some 50,000 yuan per ton on average, from 60,000 yuan.
李玉胜也预测，今年国内的铜价将从去年的每吨平均60 000元下降到50 000元左右。
Meanwhile, Li said, domestic copper prices would tumble to some 50,000 yuan per ton on average, from 60,000 yuan.
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