海关总署：中国4月原油进口4806.1万吨，3月为5141.4万吨。

Group 1 - The core point of the article is that China's crude oil imports in April were 48.06 million tons, a decrease from 51.41 million tons in March [1] Group 2 - The data indicates a month-over-month decline in crude oil imports, suggesting potential shifts in demand or supply chain dynamics within the industry [1] - The significant drop in imports may impact global oil prices and market sentiment, reflecting changes in China's energy consumption patterns [1]