7月30日电，美国至7月25日当周API原油库存增加153.9万桶，预期减少250万桶，前值减少57.7万桶。

Group 1 - The core point of the article indicates that U.S. API crude oil inventories increased by 1.539 million barrels for the week ending July 25, contrary to expectations of a decrease of 2.5 million barrels [1] - The previous week's inventory showed a decrease of 577,000 barrels, highlighting a significant shift in inventory trends [1]