refined copper

常见例句

China's January refined copper imports were 41 percent more than a year earlier, even after declining 15 percent from December.
中国一月份精铜进口上涨41％相比之前，之前此数字在12月以来下降了15％。
blog.sina.com.cn
In this way, China needs to import directly from a large number of copper, refined copper consumption, and thus have a great impact.
这样，我国就需要直接大量地从国外进口铜材，从而对精铜消费有极大的影响。
Aren't comparing the refined copper from two ores of the same purity and amount a more convincing way?
难道不是，比较从两块同纯度、同量的矿石中提炼好的铜才是更可信的方法么？

Virga said 53% of the 2012 increase in global growth of refined copper supplies occurred in the fourth quarter.
FORBES: FOCUS: Copper Market 'Guarded;' Near-Term Bounce Occurring But Longer-Term Retreat Expected
For instance, a look at industrial refined copper imports remained in their recent range of about 250 kilotons, with yearly growth continuing to contract.
FORBES: A Mixed Picture For China Commodity Demand