介绍了钛制叶轮的焊接工艺和制造过程，说明了焊接部位的检查方法及检查结果。
The paper introduces the welding procedure and fabrication process of titanium alloy wheel, indicates the inspection method and quality result of welding location.
详细介绍了汽车用低压电线束制作过程中导线手工锡焊的组成要素、工艺过程、质量检查。
The composition elements, technical process and quality inspection of handicraft tin welding in the process of low-voltage electric harness for automobile are introduced in this paper.
还要对维修工艺做检查以保证处理过程的正确，无论系统是否需要调整。
Checks are also done on maintenance procedures to ensure that the process is being carried out properly and, if so, whether the system needs to be modified.
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