银钎焊法：将焊线或焊杆点在阀门里的管道套座上。
Silver brazing Method: Apply brazing wire or rod at point where tube enters valve socket.
断口分析表明所研究的试件均为疲劳断裂， 裂纹源位于焊瘤趾部或焊瘤内部靠近轨腰表面处。
The fracture analyses revealed that the fractures are caused by fatigue, and the cracks initiated from the inclusions and voids at the toe of the fin for the gas-pressure we…
缺陷类型包括点(斑)缺陷和大面积的不均一外观。未涉及条纹，模具痕或焊合线等条带型缺陷。
The defect type here includes pits (patches) and uniform appearance except for the defects such as streaks, die lines, weld marks and lines.
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