海洋钻井用双向减震器的失效机理与应对措施研究 |
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田家林, 付传红, 董明键, 刘正连, 龙小康, 方剑, 吴纯明 | ||||||||||||
Study on Failure Mechanism and Countermeasures of Two-Way Shock Absorber in Ocean Drilling |
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Jia-lin TIAN, Chuan-hong FU, Ming-jian DONG, Zheng-lian LIU, Xiao-kang LONG, Jian FANG, Chun-ming WU | ||||||||||||
表2 九头螺纹结构改造方案比较 | ||||||||||||
Table 2 Scheme comparison for improving the nine-thread structure | ||||||||||||
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