焊缝破坏 meaning in Chinese

weld decay

En 1321 destructive tests on welds in metallic materials . macroscopic and microscopic examination of welds
金属材料焊缝破坏试验.焊缝的低倍及显微检验
Destructive test on welds in metallic materials - hardness test - part 2 : micro hardness testing on welded joints ; german version en 1043 - 2 : 1996
金属材料焊缝破坏试验.硬度试验.第2部分:焊接接缝显
Destructive tests on welds in metallic materials - method for taking samples for delta ferrite measurement iso 17655 : 2003 ; german version en iso 17655 : 2003
金属材料焊缝破坏检验.铁素体测量样品制备方法
Destructive tests on welds in metallic materials - resistance welding - pressure test on resistance seam welds iso 17654 : 2003 ; german version en iso 17654 : 2003
金属材料焊缝破坏检验.电阻焊.电阻缝焊压力试验