Moreover, because gas is frequently encountered in association with oil, the production, refinement, transportation, and storage of crude oil is also a source of methane emissions.
此外，由于天然气常与石油混在一起，原油生产、提炼、运输和储存也是一个甲烷排放来源。
Chemistry principle is a basic course for the freshmen majoring oil gas storage and transportation.
化学原理是油气储运专业一年级的专业基础课。
This paper describes some beneficial measures which have been taken by the Oil-Gas Storage and Transportation Engineering in construction and practice course of Heat Transfer.
我院油气储运专业通过传热学课程建设实践，组建了一支结构合理的上课教师队伍，确立了教学内容，完善了教学文件；
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