Other important African export commodities are iron ore and timber, followed by manganese, cobalt, copper and chromium.
其他重要的非洲出口商品是铁矿石和木材，其次还有锰、钴、铜和铬。
Much of what is imported is in the form of raw materials—oil, copper, gas, timber—to feed the China boom.
进口大多数都是原材料——石油、铜、天然气、木材——来满足中国的繁荣。
The Beagle was refitted with new timber planking and copper hull.
贝格尔号换新木板肋材，并换上铜质船壳。
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