论文部分内容阅读
据国际铅锌研究小组3月16日公布的数据显示,2009年1月全球铅市场的供应过剩,余量为5000吨。与此相比,而在2008年1月全球铅市供应短缺
According to the International Lead and Zinc Research Group March 16 data released in January 2009 the global lead market oversupply, the remaining capacity of 5,000 tons. This compares with the shortage of global lead market in January 2008