single lap weld

例句：

1. 1. The engineer used a single-lap weld to join the two pieces of metal together.
   工程师使用单层焊缝将两块金属连接在一起。
2. 2. The construction crew was working on a single-lap weld when they heard a loud noise.
   施工队在进行单层焊缝工作时，听到了一阵巨响。
3. 3. The welder was skilled at making single-lap welds, which is why he was chosen for the job.
   焊工擅长制作单层焊缝，这就是为什么他被选中担任这项工作的原因。