During the production of shell bodies, surface defects were found by magnetic powder inspection.
炮弹弹体生产中，磁粉检测发现表层缺陷。
The paper introduces the principle and technological process of magnetic powder inspection and its application to maintenance of heavy-duty truck.
介绍了磁粉探伤的原理、工艺流程及在重型汽车维修中的应用。
Finally, the welding procedure has been proved to be feasible by as-welded appearance checking, magnetic powder inspection, ultrasonic inspection and radiographic inspection.
最后，本课题通过焊后的外观检测、磁粉探伤焊、超声探伤和射线探伤证明了焊接工艺规范合理可行。
Finally, the welding procedure has been proved to be feasible by as-welded appearance checking, magnetic powder inspection, ultrasonic inspection and radiographic inspection.
最后，本课题通过焊后的外观检测、磁粉探伤焊、超声探伤和射线探伤证明了焊接工艺规范合理可行。
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