The task of my thesis originated from "the economic appraisal system of oil field equipment", a large scientific research project cooperated with Liao River Oil Field of Petrol China.
本论文课题来源为与中石油辽河油田分公司合作项目“油田设备经济技术评价系统”。
Even China National Offshore Oil Corp, which primarily engages in exploration and drilling, had to build its own refinery to help the state satisfy the country's soaring petrol demand.
甚至像中海油这样一家主要从事勘探、钻井的企业也必须建造自己的炼油厂，以帮助国家满足日益增长的汽油需求。
China raised petrol prices by 10% last November, but oil refiners are still being forced to sell fuel below its international cost, which has caused shortages at petrol stations.
中国在11月把汽油价格上涨了10%，但炼油商仍不得不以低于国际成本的价格进行销售，这造成加油站的供应紧缺。
China has already become one of the big shots in the world petrol chemical industry.
中国已经成为了世界石油化工业大国。
The remaining bright star in refining had been gasoline, also known as petrol, backed by roaring car sales in China and India, where a combined 3 million new vehicles hit the road every month.
炼油业剩余的亮点就是汽油，受到中国和印度汽车销售强劲的支持。中印两国每月总计有300万辆新车上路。
Since 1980 when he started to work in Changqing Oil Field of China Petrol until now, he has done work such as geodesic survey, field exploration, and press-photography and so on.
1980年在中国石油长庆油田参加工作至今，做过大地测量、野外勘探、摄影记者等职业。
Since 1980 when he started to work in Changqing Oil Field of China Petrol until now, he has done work such as geodesic survey, field exploration, and press-photography and so on.
1980年在中国石油长庆油田参加工作至今，做过大地测量、野外勘探、摄影记者等职业。
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