2000—2015年中国铜废碎料贸易及效益风险分析
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Benefits and risks of China’s copper waste and scrap trade during 2000-2015
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图6. 2000—2015年中国累计生产精炼铜的物质流平衡图(单位:万t) |
Figure 6. Material flow balance of cumulative refined copper production in China, 2000-2015 (unit: 104 t) |
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