single-bead lap joint

例句：

1. 1.The engineer used a single-beadlap joint to connect the two beams.
   工程师使用单珠链接合将两根梁连接起来。
2. 2. The construction team was ableto complete the project using only a single-bead lap joint.
   施工队仅用单珠链接合就完成了这个项目。
3. 3.The new design uses a single-bead lap joint for its structural integrity.
   新设计采用了单珠链接合来保证其结构完整性。