The weld zone is the weakest in welded joint due to effects of chemical components of filler and crystallization process.
因焊丝合金化学成分和结晶过程的影响，焊缝处是合金接头的薄弱环节。
The weld zone is the weakest in welded joint due to effects of chemical components of filler and crystallization process.
因焊丝合金化学成分和结晶过程的影响，焊缝处是合金接头的薄弱环节。
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