Important oil refining and petrochemical center.
重要的炼油与石油化工中心。
The invention also discloses an oil refining device adopting the method.
本发明还公开了应用该方法的炼油装置。
Natural gas and the gases produced in oil refining process contain water.
天然气或炼油生产中各种气体都携带有水分。
This paper explores how to save heat energy in edible oil refining process.
探讨和研究了在食用油脂精炼过程中如何节约热能的问题。
Annual earnings at big oil companies were dragged down by their oil-refining operations.
炼油部门压低了大石油公司的年度收益。
It is an oil-refining and industrial center.
是一个炼油和工业中心。
It is an oil-refining and industrial center.
是一个炼油和工业中心。
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