美国至7月4日当周API精炼油库存 -83万桶，预期-24万桶，前值-345.8万桶。

Group 1 - The core point of the article indicates that the API refined oil inventory in the U.S. decreased by 830,000 barrels for the week ending July 4, which is a larger decline than the expected decrease of 240,000 barrels and significantly more than the previous week's decline of 3.458 million barrels [1]