Magnetic dipole model is a kind of important method for studying magnetic leakage of ferromagnetic components with defec......

为了实现在套损井综合治理过程中套铣筒现场质量检测,避免施工事故,开展了套铣筒螺纹现场无损快速检测技术研究。针对套铣筒啮合螺......