double-welded butt joint

例句：

1. 1. The steel beam was welded together with a double-welded butt joint to make it stronger.
   钢梁通过双焊接头接头焊接在一起，使其更坚固。
2. 2. The construction crew used double-welded butt joints to reinforce the foundation of the new building.
   建筑工人使用双焊接头接头加固新建筑物的基础。
3. 3. The engineer designed the double-welded butt joint to distribute the load evenly across the entire structure.
   工程师设计了双焊接头接头，以均匀地将载荷分布在整个结构上。