上期所：本周铜库存减少7899吨

array(1) { [375838]=> array(2) { [2]=> array(3) { [0]=> string(12) "商品期货" [1]=> string(9) "上期所" [2]=> string(9) "铜期货" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }