例句 /

Figures at the Congolese ministry of mines say that monthly export of copper and cobalt range from 5,500 to 9,000 tonnes.

Figures at the Congolese ministry of mines say that monthly export of copper and cobalt range from 5,500 to 9,000 tonnes.

刚果矿业部的统计数字说每月出口的铜矿和钴矿为5500吨到9000吨。