The work this paper discussed is the need of the oil field and the main work in the cooperate item "studying the wind tunnel test scheme of the ocean workover rig and optimizing structure".
本论文的研究工作结合勃海油田的生产实际需要，也是西南石油学院与渤海油田的横向合作项目“海洋修井机风洞实验方案研究及结构优化”的主要研究工作。
It is essential that we should create studying situations or conduct situational teaching to help students actively study, cooperate, explore and complete knowledge.
创设学习情境或进行情境教学，是引导学生主动学习、协作、探索和完成知识的重要环节。
It is essential that we should create studying situations or conduct situational teaching to help students actively study, cooperate, explore and complete knowledge.
创设学习情境或进行情境教学，是引导学生主动学习、协作、探索和完成知识的重要环节。
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