butt seam

• 对接,对头接合

butt seam的用法和样例：

例句

1. The butt weld is easier to inspect nondestructively than the fillet welds.
   对接焊缝比角接焊缝更容易进行无破坏检查。
2. This indicated that the fracture had initiated at the unfused butt weld in the longitudinal stiffener.
   研究表明裂纹是从纵向加劲助未熔透的对接焊缝中起始的。