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通过手动超声波探伤对钢套管的微裂纹进行有效检测 ,并解剖实物 ,以指导生产工艺改进 ,杜绝微裂纹的发生。
Through manual ultrasonic flaw detection, the micro-cracks of the steel casing are effectively detected and the physical objects are dissected to guide the improvement of the production process and prevent the occurrence of micro-cracks.