oil industry

名词 oil industry:

1. an industry that produces and delivers oil and oil products
   同义词：refining industry, oil business

1. The oil industry is marked by an element of danger, hence the siting of refineries at a distance from population centres.
   石油工业的特征是它有一点点危险性，所以炼油厂的厂址总在远离人口集中的地方。