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焊接欠缺焊接欠缺weldingimperfection焊接缺陷welddefect气孔blowhole/gaspore针尖状气孔pinhole密集气孔porosity条虫状气孔wormhole裂纹crack表面裂纹surfacecrack咬边undercut焊瘤overlap凹坑pit烧穿burnthrough塌陷excessivepenetration未焊透incompletepenetration/lackofpenetration未熔合lackoffusion/incompletefusion未焊满incompletelyfilledweld根部凹陷rootconcavity电弧擦伤arcscratch夹渣slaginclusion夹杂物inclusion夹钨tungsteninclusion白点fisheye/flake错边misalignment/dislocation焊接检验试件testpiece试样testspecimen无损检验nondestructivetest破坏检验destructivetest外观检查visualexamination超声波探伤ultrasonicinspection直射法超声波探伤straightbeammethod斜射法超声波探伤anglebeammethod液浸法超声波探伤immersionmethod射线探伤radiographicinspection/radiographyX射线探伤X-rayradiographicinspectionγ射线探伤gamma-rayinspectionX射线工业电视探伤X-rayindustrialtelevisioninspection磁粉探伤magneticparticleinspection电磁探伤electromagneticinspection/eddycurrenttest探伤灵敏度flawdetectionsensitivity渗透探伤penetrationinspection荧光探伤flurescentpenetrantinspection着色探伤dyepenetrantinspection密封性检验leaktest气密性检验airtighttest枕形气密检验pillowtest耐压检验pressuretest水压检验hydraulictest气压检验pneumatictest液晶检验liquidcrystaltest声发射检测acousticemissiontesting面弯试验facebendtesting背弯试验rootbendtest侧弯试验sidebendtest横弯试验horizontalbendtest纵弯试验axialbendtest压扁试验squeezingtest