下游需求火爆 多家人造金刚石企业半年报预喜

array(1) { [412713]=> array(2) { [2]=> array(4) { [0]=> string(9) "半年报" [1]=> string(12) "业绩预告" [2]=> string(9) "金刚石" [3]=> string(12) "业绩预增" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }