这个焊口以宏观检查发现明显的气孔和超长的咬边。
This welded seam is found an obvious air hole and an unqualified undercut with macroscopic check.
采用宏观检查、扫描电镜、X射线能谱、金相分析及化学分析等方法，对金属波纹膨胀节开裂的原因进行了分析。
By using visual examination, scanning electronic microscope, X-ray energy spectrum and metallurgy and chemical analysis, the cause of crack occurred in bellow expansion joint was analyzed.
采用宏观检查、扫描电镜、X射线能谱、金相检验、化学成分分析等方法，对金属波纹软管开裂的原因进行分析。
The methods of visual inspection, SEM, X-ray EDS, metallography and chemical composition analysis were adopted to research the rupture of flexible metal hose.
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