国泰君安：钢材需求有望继续提升

array(1) { [439320]=> array(2) { [2]=> array(3) { [0]=> string(6) "钢材" [1]=> string(18) "国泰君安研报" [2]=> string(11) "XD国泰君" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }