n.精练厂
The oil is carried to the oil refinery by pipelines. 石油通过输油管输送到炼油厂。
He has put in repeated requests for permission to help to build the big oil refinery. 他已经屡次提出申请，要求批准他参加建造那座大型炼油厂。
He was dismissed from the oil refinery. 他被那家炼油厂解雇了。
生物炼制
