据外电报道，今年国际基金属价格预计将上涨，其中铜期货价平均每ｔ将由去年的１５７４美元上涨到１７５０美元。今年，铝期货价平均每ｔ将由去年的１３２０美元上涨到１６００美元；铅期货价平均每ｔ将由去年的５００美元上涨到５２９美元；镍期货价平均每ｔ将由去年的５８５? According to foreign reports, the prices of international base metals are expected to rise this year, of which the average price of copper futures will rise from 1,574 U.S. dollars last year to 1,750 U.S. dollars. This year, the average price of aluminum futures will rise from 1,320 U.S. dollars last year to 1,600 U.S. dollars. The average price of lead futures will rise to 529 US dollars from 500 U.S. dollars last year. The average price of nickel futures will rise from 585 U.S. dollars last year,