pipe thread connection 管螺纹连接
straight screw thread connection 直螺纹连接
flat thread connection 直螺纹连接
thread connection pool 连接线程池
casing thread connection 套管螺纹接头
straight thread connection 直螺纹连接
steel bar thread connection 钢筋螺纹接头
The tubing is applied widely on oil field, and the quality of tubing thread connection effects on normal oil production.
油管在油田的应用量非常庞大，油管的圆螺纹连接质量直接影响油田的正常生产。
参考来源 - 基于线阵CCD的油管螺纹非接触测量技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Connection mode: internal thread connection;
连接方式：内螺纹连接；
The main failure form of V-round-thread casing, that is, the mechanism of thread connection slipping off, is analyzed in this paper.
本文对V形圆扣套管联接强度失效的主要形式，即套管联接螺纹滑扣(或滑脱)失效的机理进行了分析研究。
In thread connection, the main causes of loosening of nuts are action of lateral dynamic load and the induced lateral vibration of thread pairs.
螺纹连接中螺母松动的主要原因是，横向动载荷作用和由此引起的螺纹副横向振动。
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