sectioning of welded joints

焊接... ... spot-welding gun 点焊焊枪; 点焊钳 sectioning of welded joints 焊接连接的切片 shop-welded connection 厂焊接头 ...

化工机械专业英语... ... quality control 质量管理 sectioning of welded joints 焊接接头的剖面检验 spot examination 抽样检查 ...