reinforcement butt welds

例句：

1. 1. The construction crew used butt welds to join the steel beams together.
   建筑工人使用搭接焊缝将钢梁连接在一起。
2. 2.The butt welds were visible through the metal surface.
   通过金属表面可以看见这些搭接焊缝。
3. 3. The engineer inspected the butt welds for any signs of weakness or damage.
   工程师检查了这些搭接焊缝，以寻找任何弱点或损坏的迹象。