oil base的用法和樣例：
例句
- As the oil distributing center of the PRD, Guangzhou has basically formed the oil trade center.
廣州港是珠三角油品的集散地，已初步形成石油產品交易中心，並且小虎石化碼頭成為了廣東首個戰略油庫。 - Gain and loss of oil products at gas station are a very important issue in metering management.
加油站油品的盈虧是加油站計量管理的一項重要內容。
