鄭商所：調整純堿期貨2301合約交易保證金標準

array(1) { [460965]=> array(2) { [2]=> array(4) { [0]=> string(9) "鄭商所" [1]=> string(12) "基礎化學" [2]=> string(12) "輕質純堿" [3]=> string(15) "合約保證金" } [4]=> array(1) { [0]=> string(19) "同花順7x24快訊" } } }