城市建设理论研究 关键词：石油钻杆、失效原因、措施及建议 [gap=110]keywords: oi l drill pipe, failure reason, measures and suggestions
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Observations on surface defects, metallurgical examination and mechanical properties evaluation of the oil pipes were performed to assess the possible failure reasons.
通过对油管表面缺陷、金相组织的观察及油管力学性能的测定确定两件油管的失效原因。
参考来源 - 高压油管开裂失效分析·2,447,543篇论文数据，部分数据来源于NoteExpress
分析退回物料的失效原因。
文章分析了失效原因并提出了建议与措施。
The causes of failure were analyzed and preventive measures were presented.
帮助生产线分析工艺失效原因，提高良品率，改善过程能力。
Support production line to do process failure analysis and product diagnosis. Continuously optimize process and CPK etc.
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