有研粉材业绩快报：2022年净利同比下降27.42%

array(1) { [484842]=> array(2) { [2]=> array(5) { [0]=> string(9) "净利润" [1]=> string(12) "业绩快报" [2]=> string(12) "定期报告" [3]=> string(12) "业绩下降" [4]=> string(12) "有研粉材" } [4]=> array(1) { [0]=> string(19) "同花顺7x24快讯" } } }